Home / 19,160.71-26,442.28-10,663.40

Finding the Fourth Proportional to 19,160.71, 26,442.28 and 10,663.40

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Solution

The fourth proportional to 19,160.71, 26,442.28 and 10,663.40 is: 14,715.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,160.71 : 26,442.28 = 10,663.40 : x
  2. Step 2: Convert to fraction form
    19,160.71/26,442.28 = 10,663.40/x
  3. Step 3: Cross multiply
    19,160.71x = 26,442.28 × 10,663.40
  4. Step 4: Simplify right side
    19,160.71x = 281,964,687.99
  5. Step 5: Solve for x
    x = 281,964,687.99/19,160.71
  6. Step 6: Final answer
    x = 14,715.78

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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.