Home / 19,020.75-26,248.73-10,637.25

Finding the Fourth Proportional to 19,020.75, 26,248.73 and 10,637.25

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Solution

The fourth proportional to 19,020.75, 26,248.73 and 10,637.25 is: 14,679.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,020.75 : 26,248.73 = 10,637.25 : x
  2. Step 2: Convert to fraction form
    19,020.75/26,248.73 = 10,637.25/x
  3. Step 3: Cross multiply
    19,020.75x = 26,248.73 × 10,637.25
  4. Step 4: Simplify right side
    19,020.75x = 279,214,250.01
  5. Step 5: Solve for x
    x = 279,214,250.01/19,020.75
  6. Step 6: Final answer
    x = 14,679.46

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Half scale
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Double scale
Find fourth proportional to 19,021.75, 26,250.11 and 10,638.25
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.