Home / 21,700.93-29,964.27-16,657.16

Finding the Fourth Proportional to 21,700.93, 29,964.27 and 16,657.16

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Solution

The fourth proportional to 21,700.93, 29,964.27 and 16,657.16 is: 22,999.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,700.93 : 29,964.27 = 16,657.16 : x
  2. Step 2: Convert to fraction form
    21,700.93/29,964.27 = 16,657.16/x
  3. Step 3: Cross multiply
    21,700.93x = 29,964.27 × 16,657.16
  4. Step 4: Simplify right side
    21,700.93x = 499,119,639.67
  5. Step 5: Solve for x
    x = 499,119,639.67/21,700.93
  6. Step 6: Final answer
    x = 22,999.92

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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.