Home / 14,980.40-22,472.60-5,117.20

Finding the Fourth Proportional to 14,980.40, 22,472.60 and 5,117.20

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Solution

The fourth proportional to 14,980.40, 22,472.60 and 5,117.20 is: 7,676.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,980.40 : 22,472.60 = 5,117.20 : x
  2. Step 2: Convert to fraction form
    14,980.40/22,472.60 = 5,117.20/x
  3. Step 3: Cross multiply
    14,980.40x = 22,472.60 × 5,117.20
  4. Step 4: Simplify right side
    14,980.40x = 114,996,788.72
  5. Step 5: Solve for x
    x = 114,996,788.72/14,980.40
  6. Step 6: Final answer
    x = 7,676.48

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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.