Home / 16,312.20-24,449.40-7,528.80

Finding the Fourth Proportional to 16,312.20, 24,449.40 and 7,528.80

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Solution

The fourth proportional to 16,312.20, 24,449.40 and 7,528.80 is: 11,284.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,312.20 : 24,449.40 = 7,528.80 : x
  2. Step 2: Convert to fraction form
    16,312.20/24,449.40 = 7,528.80/x
  3. Step 3: Cross multiply
    16,312.20x = 24,449.40 × 7,528.80
  4. Step 4: Simplify right side
    16,312.20x = 184,074,642.72
  5. Step 5: Solve for x
    x = 184,074,642.72/16,312.20
  6. Step 6: Final answer
    x = 11,284.48

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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.