Home / 15,038.40-22,554.96-5,679.24

Finding the Fourth Proportional to 15,038.40, 22,554.96 and 5,679.24

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Solution

The fourth proportional to 15,038.40, 22,554.96 and 5,679.24 is: 8,517.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,038.40 : 22,554.96 = 5,679.24 : x
  2. Step 2: Convert to fraction form
    15,038.40/22,554.96 = 5,679.24/x
  3. Step 3: Cross multiply
    15,038.40x = 22,554.96 × 5,679.24
  4. Step 4: Simplify right side
    15,038.40x = 128,095,031.03
  5. Step 5: Solve for x
    x = 128,095,031.03/15,038.40
  6. Step 6: Final answer
    x = 8,517.86

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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.