Home / 19,101.60-26,359.20-10,717.92

Finding the Fourth Proportional to 19,101.60, 26,359.20 and 10,717.92

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Solution

The fourth proportional to 19,101.60, 26,359.20 and 10,717.92 is: 14,790.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,101.60 : 26,359.20 = 10,717.92 : x
  2. Step 2: Convert to fraction form
    19,101.60/26,359.20 = 10,717.92/x
  3. Step 3: Cross multiply
    19,101.60x = 26,359.20 × 10,717.92
  4. Step 4: Simplify right side
    19,101.60x = 282,515,796.86
  5. Step 5: Solve for x
    x = 282,515,796.86/19,101.60
  6. Step 6: Final answer
    x = 14,790.16

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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.