Home / 15,406.48-23,107.18-5,543.92

Finding the Fourth Proportional to 15,406.48, 23,107.18 and 5,543.92

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Solution

The fourth proportional to 15,406.48, 23,107.18 and 5,543.92 is: 8,314.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406.48 : 23,107.18 = 5,543.92 : x
  2. Step 2: Convert to fraction form
    15,406.48/23,107.18 = 5,543.92/x
  3. Step 3: Cross multiply
    15,406.48x = 23,107.18 × 5,543.92
  4. Step 4: Simplify right side
    15,406.48x = 128,104,357.35
  5. Step 5: Solve for x
    x = 128,104,357.35/15,406.48
  6. Step 6: Final answer
    x = 8,314.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.