Home / 15,316.40-22,982.16-7,425.56

Finding the Fourth Proportional to 15,316.40, 22,982.16 and 7,425.56

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Solution

The fourth proportional to 15,316.40, 22,982.16 and 7,425.56 is: 11,142.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,316.40 : 22,982.16 = 7,425.56 : x
  2. Step 2: Convert to fraction form
    15,316.40/22,982.16 = 7,425.56/x
  3. Step 3: Cross multiply
    15,316.40x = 22,982.16 × 7,425.56
  4. Step 4: Simplify right side
    15,316.40x = 170,655,408.01
  5. Step 5: Solve for x
    x = 170,655,408.01/15,316.40
  6. Step 6: Final answer
    x = 11,142.01

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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.