Home / 16,360.16-22,579.15-9,985.43

Finding the Fourth Proportional to 16,360.16, 22,579.15 and 9,985.43

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Solution

The fourth proportional to 16,360.16, 22,579.15 and 9,985.43 is: 13,781.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,360.16 : 22,579.15 = 9,985.43 : x
  2. Step 2: Convert to fraction form
    16,360.16/22,579.15 = 9,985.43/x
  3. Step 3: Cross multiply
    16,360.16x = 22,579.15 × 9,985.43
  4. Step 4: Simplify right side
    16,360.16x = 225,462,541.00
  5. Step 5: Solve for x
    x = 225,462,541.00/16,360.16
  6. Step 6: Final answer
    x = 13,781.19

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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.