Home / 14,100.36-19,459.08-7,812.60

Finding the Fourth Proportional to 14,100.36, 19,459.08 and 7,812.60

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Solution

The fourth proportional to 14,100.36, 19,459.08 and 7,812.60 is: 10,781.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,100.36 : 19,459.08 = 7,812.60 : x
  2. Step 2: Convert to fraction form
    14,100.36/19,459.08 = 7,812.60/x
  3. Step 3: Cross multiply
    14,100.36x = 19,459.08 × 7,812.60
  4. Step 4: Simplify right side
    14,100.36x = 152,026,008.41
  5. Step 5: Solve for x
    x = 152,026,008.41/14,100.36
  6. Step 6: Final answer
    x = 10,781.71

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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.