Home / 15,398.90-23,084.48-5,535.86

Finding the Fourth Proportional to 15,398.90, 23,084.48 and 5,535.86

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Solution

The fourth proportional to 15,398.90, 23,084.48 and 5,535.86 is: 8,298.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,398.90 : 23,084.48 = 5,535.86 : x
  2. Step 2: Convert to fraction form
    15,398.90/23,084.48 = 5,535.86/x
  3. Step 3: Cross multiply
    15,398.90x = 23,084.48 × 5,535.86
  4. Step 4: Simplify right side
    15,398.90x = 127,792,449.45
  5. Step 5: Solve for x
    x = 127,792,449.45/15,398.90
  6. Step 6: Final answer
    x = 8,298.80

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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.