Home / 15,404.87-23,110.16-4,877.55

Finding the Fourth Proportional to 15,404.87, 23,110.16 and 4,877.55

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Solution

The fourth proportional to 15,404.87, 23,110.16 and 4,877.55 is: 7,317.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404.87 : 23,110.16 = 4,877.55 : x
  2. Step 2: Convert to fraction form
    15,404.87/23,110.16 = 4,877.55/x
  3. Step 3: Cross multiply
    15,404.87x = 23,110.16 × 4,877.55
  4. Step 4: Simplify right side
    15,404.87x = 112,720,936.52
  5. Step 5: Solve for x
    x = 112,720,936.52/15,404.87
  6. Step 6: Final answer
    x = 7,317.23

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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.