Home / 15,492.28-21,385.89-10,463.32

Finding the Fourth Proportional to 15,492.28, 21,385.89 and 10,463.32

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Solution

The fourth proportional to 15,492.28, 21,385.89 and 10,463.32 is: 14,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,492.28 : 21,385.89 = 10,463.32 : x
  2. Step 2: Convert to fraction form
    15,492.28/21,385.89 = 10,463.32/x
  3. Step 3: Cross multiply
    15,492.28x = 21,385.89 × 10,463.32
  4. Step 4: Simplify right side
    15,492.28x = 223,767,410.55
  5. Step 5: Solve for x
    x = 223,767,410.55/15,492.28
  6. Step 6: Final answer
    x = 14,443.80

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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.