Home / 15,459.68-23,003.56-15,407.84

Finding the Fourth Proportional to 15,459.68, 23,003.56 and 15,407.84

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Solution

The fourth proportional to 15,459.68, 23,003.56 and 15,407.84 is: 22,926.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,459.68 : 23,003.56 = 15,407.84 : x
  2. Step 2: Convert to fraction form
    15,459.68/23,003.56 = 15,407.84/x
  3. Step 3: Cross multiply
    15,459.68x = 23,003.56 × 15,407.84
  4. Step 4: Simplify right side
    15,459.68x = 354,435,171.91
  5. Step 5: Solve for x
    x = 354,435,171.91/15,459.68
  6. Step 6: Final answer
    x = 22,926.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.