Home / 16,448.12-24,680.28-7,681.76

Finding the Fourth Proportional to 16,448.12, 24,680.28 and 7,681.76

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Solution

The fourth proportional to 16,448.12, 24,680.28 and 7,681.76 is: 11,526.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,448.12 : 24,680.28 = 7,681.76 : x
  2. Step 2: Convert to fraction form
    16,448.12/24,680.28 = 7,681.76/x
  3. Step 3: Cross multiply
    16,448.12x = 24,680.28 × 7,681.76
  4. Step 4: Simplify right side
    16,448.12x = 189,587,987.69
  5. Step 5: Solve for x
    x = 189,587,987.69/16,448.12
  6. Step 6: Final answer
    x = 11,526.42

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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.