Home / 15,148.70-22,722.80-4,760.45

Finding the Fourth Proportional to 15,148.70, 22,722.80 and 4,760.45

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Solution

The fourth proportional to 15,148.70, 22,722.80 and 4,760.45 is: 7,140.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,148.70 : 22,722.80 = 4,760.45 : x
  2. Step 2: Convert to fraction form
    15,148.70/22,722.80 = 4,760.45/x
  3. Step 3: Cross multiply
    15,148.70x = 22,722.80 × 4,760.45
  4. Step 4: Simplify right side
    15,148.70x = 108,170,677.31
  5. Step 5: Solve for x
    x = 108,170,677.31/15,148.70
  6. Step 6: Final answer
    x = 7,140.59

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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.