Home / 16,306.68-22,501.65-12,957.60

Finding the Fourth Proportional to 16,306.68, 22,501.65 and 12,957.60

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Solution

The fourth proportional to 16,306.68, 22,501.65 and 12,957.60 is: 17,880.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,306.68 : 22,501.65 = 12,957.60 : x
  2. Step 2: Convert to fraction form
    16,306.68/22,501.65 = 12,957.60/x
  3. Step 3: Cross multiply
    16,306.68x = 22,501.65 × 12,957.60
  4. Step 4: Simplify right side
    16,306.68x = 291,567,380.04
  5. Step 5: Solve for x
    x = 291,567,380.04/16,306.68
  6. Step 6: Final answer
    x = 17,880.24

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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.