Home / 15,474.47-23,215.16-5,613.53

Finding the Fourth Proportional to 15,474.47, 23,215.16 and 5,613.53

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Solution

The fourth proportional to 15,474.47, 23,215.16 and 5,613.53 is: 8,421.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,474.47 : 23,215.16 = 5,613.53 : x
  2. Step 2: Convert to fraction form
    15,474.47/23,215.16 = 5,613.53/x
  3. Step 3: Cross multiply
    15,474.47x = 23,215.16 × 5,613.53
  4. Step 4: Simplify right side
    15,474.47x = 130,318,928.79
  5. Step 5: Solve for x
    x = 130,318,928.79/15,474.47
  6. Step 6: Final answer
    x = 8,421.55

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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.