Home / 15,557.90-23,332.55-4,310.55

Finding the Fourth Proportional to 15,557.90, 23,332.55 and 4,310.55

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Solution

The fourth proportional to 15,557.90, 23,332.55 and 4,310.55 is: 6,464.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,557.90 : 23,332.55 = 4,310.55 : x
  2. Step 2: Convert to fraction form
    15,557.90/23,332.55 = 4,310.55/x
  3. Step 3: Cross multiply
    15,557.90x = 23,332.55 × 4,310.55
  4. Step 4: Simplify right side
    15,557.90x = 100,576,123.40
  5. Step 5: Solve for x
    x = 100,576,123.40/15,557.90
  6. Step 6: Final answer
    x = 6,464.63

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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.