Home / 15,213.96-22,779.90-9,935.88

Finding the Fourth Proportional to 15,213.96, 22,779.90 and 9,935.88

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Solution

The fourth proportional to 15,213.96, 22,779.90 and 9,935.88 is: 14,877.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,213.96 : 22,779.90 = 9,935.88 : x
  2. Step 2: Convert to fraction form
    15,213.96/22,779.90 = 9,935.88/x
  3. Step 3: Cross multiply
    15,213.96x = 22,779.90 × 9,935.88
  4. Step 4: Simplify right side
    15,213.96x = 226,338,352.81
  5. Step 5: Solve for x
    x = 226,338,352.81/15,213.96
  6. Step 6: Final answer
    x = 14,877.02

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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.