Home / 15,071.52-22,609.72-4,685.68

Finding the Fourth Proportional to 15,071.52, 22,609.72 and 4,685.68

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Solution

The fourth proportional to 15,071.52, 22,609.72 and 4,685.68 is: 7,029.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,071.52 : 22,609.72 = 4,685.68 : x
  2. Step 2: Convert to fraction form
    15,071.52/22,609.72 = 4,685.68/x
  3. Step 3: Cross multiply
    15,071.52x = 22,609.72 × 4,685.68
  4. Step 4: Simplify right side
    15,071.52x = 105,941,912.81
  5. Step 5: Solve for x
    x = 105,941,912.81/15,071.52
  6. Step 6: Final answer
    x = 7,029.28

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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.