Home / 15,799.59-21,807.27-9,510.75

Finding the Fourth Proportional to 15,799.59, 21,807.27 and 9,510.75

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Solution

The fourth proportional to 15,799.59, 21,807.27 and 9,510.75 is: 13,127.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,799.59 : 21,807.27 = 9,510.75 : x
  2. Step 2: Convert to fraction form
    15,799.59/21,807.27 = 9,510.75/x
  3. Step 3: Cross multiply
    15,799.59x = 21,807.27 × 9,510.75
  4. Step 4: Simplify right side
    15,799.59x = 207,403,493.15
  5. Step 5: Solve for x
    x = 207,403,493.15/15,799.59
  6. Step 6: Final answer
    x = 13,127.14

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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.