Home / 16,385.79-22,539.33-14,359.17

Finding the Fourth Proportional to 16,385.79, 22,539.33 and 14,359.17

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Solution

The fourth proportional to 16,385.79, 22,539.33 and 14,359.17 is: 19,751.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,385.79 : 22,539.33 = 14,359.17 : x
  2. Step 2: Convert to fraction form
    16,385.79/22,539.33 = 14,359.17/x
  3. Step 3: Cross multiply
    16,385.79x = 22,539.33 × 14,359.17
  4. Step 4: Simplify right side
    16,385.79x = 323,646,071.16
  5. Step 5: Solve for x
    x = 323,646,071.16/16,385.79
  6. Step 6: Final answer
    x = 19,751.63

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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.