Home / 23,291.38-32,141.23-12,680.74

Finding the Fourth Proportional to 23,291.38, 32,141.23 and 12,680.74

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Solution

The fourth proportional to 23,291.38, 32,141.23 and 12,680.74 is: 17,498.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,291.38 : 32,141.23 = 12,680.74 : x
  2. Step 2: Convert to fraction form
    23,291.38/32,141.23 = 12,680.74/x
  3. Step 3: Cross multiply
    23,291.38x = 32,141.23 × 12,680.74
  4. Step 4: Simplify right side
    23,291.38x = 407,574,580.91
  5. Step 5: Solve for x
    x = 407,574,580.91/23,291.38
  6. Step 6: Final answer
    x = 17,498.95

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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.