Home / 19,218.75-26,526.74-10,840.11

Finding the Fourth Proportional to 19,218.75, 26,526.74 and 10,840.11

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Solution

The fourth proportional to 19,218.75, 26,526.74 and 10,840.11 is: 14,962.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,218.75 : 26,526.74 = 10,840.11 : x
  2. Step 2: Convert to fraction form
    19,218.75/26,526.74 = 10,840.11/x
  3. Step 3: Cross multiply
    19,218.75x = 26,526.74 × 10,840.11
  4. Step 4: Simplify right side
    19,218.75x = 287,552,725.34
  5. Step 5: Solve for x
    x = 287,552,725.34/19,218.75
  6. Step 6: Final answer
    x = 14,962.09

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Half scale
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Double scale
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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.