Home / 23,393.08-32,281.92-12,782.76

Finding the Fourth Proportional to 23,393.08, 32,281.92 and 12,782.76

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Solution

The fourth proportional to 23,393.08, 32,281.92 and 12,782.76 is: 17,639.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,393.08 : 32,281.92 = 12,782.76 : x
  2. Step 2: Convert to fraction form
    23,393.08/32,281.92 = 12,782.76/x
  3. Step 3: Cross multiply
    23,393.08x = 32,281.92 × 12,782.76
  4. Step 4: Simplify right side
    23,393.08x = 412,652,035.70
  5. Step 5: Solve for x
    x = 412,652,035.70/23,393.08
  6. Step 6: Final answer
    x = 17,639.92

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Half scale
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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.