Home / 15,788.40-23,678.28-5,926.92

Finding the Fourth Proportional to 15,788.40, 23,678.28 and 5,926.92

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Solution

The fourth proportional to 15,788.40, 23,678.28 and 5,926.92 is: 8,888.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,788.40 : 23,678.28 = 5,926.92 : x
  2. Step 2: Convert to fraction form
    15,788.40/23,678.28 = 5,926.92/x
  3. Step 3: Cross multiply
    15,788.40x = 23,678.28 × 5,926.92
  4. Step 4: Simplify right side
    15,788.40x = 140,339,271.30
  5. Step 5: Solve for x
    x = 140,339,271.30/15,788.40
  6. Step 6: Final answer
    x = 8,888.76

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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.