Home / 16,781.04-23,158.40-9,227.64

Finding the Fourth Proportional to 16,781.04, 23,158.40 and 9,227.64

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Solution

The fourth proportional to 16,781.04, 23,158.40 and 9,227.64 is: 12,734.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,781.04 : 23,158.40 = 9,227.64 : x
  2. Step 2: Convert to fraction form
    16,781.04/23,158.40 = 9,227.64/x
  3. Step 3: Cross multiply
    16,781.04x = 23,158.40 × 9,227.64
  4. Step 4: Simplify right side
    16,781.04x = 213,697,378.18
  5. Step 5: Solve for x
    x = 213,697,378.18/16,781.04
  6. Step 6: Final answer
    x = 12,734.45

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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.