Home / 16,686.54-23,034.51-10,402.02

Finding the Fourth Proportional to 16,686.54, 23,034.51 and 10,402.02

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Solution

The fourth proportional to 16,686.54, 23,034.51 and 10,402.02 is: 14,359.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,686.54 : 23,034.51 = 10,402.02 : x
  2. Step 2: Convert to fraction form
    16,686.54/23,034.51 = 10,402.02/x
  3. Step 3: Cross multiply
    16,686.54x = 23,034.51 × 10,402.02
  4. Step 4: Simplify right side
    16,686.54x = 239,605,433.71
  5. Step 5: Solve for x
    x = 239,605,433.71/16,686.54
  6. Step 6: Final answer
    x = 14,359.20

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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.