Home / 16,402.34-22,635.10-9,328.76

Finding the Fourth Proportional to 16,402.34, 22,635.10 and 9,328.76

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Solution

The fourth proportional to 16,402.34, 22,635.10 and 9,328.76 is: 12,873.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,402.34 : 22,635.10 = 9,328.76 : x
  2. Step 2: Convert to fraction form
    16,402.34/22,635.10 = 9,328.76/x
  3. Step 3: Cross multiply
    16,402.34x = 22,635.10 × 9,328.76
  4. Step 4: Simplify right side
    16,402.34x = 211,157,415.48
  5. Step 5: Solve for x
    x = 211,157,415.48/16,402.34
  6. Step 6: Final answer
    x = 12,873.62

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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.