Home / 16,686.17-23,024.65-9,970.38

Finding the Fourth Proportional to 16,686.17, 23,024.65 and 9,970.38

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Solution

The fourth proportional to 16,686.17, 23,024.65 and 9,970.38 is: 13,757.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,686.17 : 23,024.65 = 9,970.38 : x
  2. Step 2: Convert to fraction form
    16,686.17/23,024.65 = 9,970.38/x
  3. Step 3: Cross multiply
    16,686.17x = 23,024.65 × 9,970.38
  4. Step 4: Simplify right side
    16,686.17x = 229,564,460.02
  5. Step 5: Solve for x
    x = 229,564,460.02/16,686.17
  6. Step 6: Final answer
    x = 13,757.77

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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.