Home / 15,471.19-21,350.72-9,096.63

Finding the Fourth Proportional to 15,471.19, 21,350.72 and 9,096.63

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Solution

The fourth proportional to 15,471.19, 21,350.72 and 9,096.63 is: 12,553.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,471.19 : 21,350.72 = 9,096.63 : x
  2. Step 2: Convert to fraction form
    15,471.19/21,350.72 = 9,096.63/x
  3. Step 3: Cross multiply
    15,471.19x = 21,350.72 × 9,096.63
  4. Step 4: Simplify right side
    15,471.19x = 194,219,600.07
  5. Step 5: Solve for x
    x = 194,219,600.07/15,471.19
  6. Step 6: Final answer
    x = 12,553.63

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Double 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.