Home / 23,280.17-32,126.21-12,931.55

Finding the Fourth Proportional to 23,280.17, 32,126.21 and 12,931.55

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Solution

The fourth proportional to 23,280.17, 32,126.21 and 12,931.55 is: 17,845.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,280.17 : 32,126.21 = 12,931.55 : x
  2. Step 2: Convert to fraction form
    23,280.17/32,126.21 = 12,931.55/x
  3. Step 3: Cross multiply
    23,280.17x = 32,126.21 × 12,931.55
  4. Step 4: Simplify right side
    23,280.17x = 415,441,706.58
  5. Step 5: Solve for x
    x = 415,441,706.58/23,280.17
  6. Step 6: Final answer
    x = 17,845.30

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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.