Home / 15,423.72-23,135.58-7,624.68

Finding the Fourth Proportional to 15,423.72, 23,135.58 and 7,624.68

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Solution

The fourth proportional to 15,423.72, 23,135.58 and 7,624.68 is: 11,437.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,423.72 : 23,135.58 = 7,624.68 : x
  2. Step 2: Convert to fraction form
    15,423.72/23,135.58 = 7,624.68/x
  3. Step 3: Cross multiply
    15,423.72x = 23,135.58 × 7,624.68
  4. Step 4: Simplify right side
    15,423.72x = 176,401,394.11
  5. Step 5: Solve for x
    x = 176,401,394.11/15,423.72
  6. Step 6: Final answer
    x = 11,437.02

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Similar ratio
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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.