Home / 15,307.85-22,962.62-4,779.32

Finding the Fourth Proportional to 15,307.85, 22,962.62 and 4,779.32

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Solution

The fourth proportional to 15,307.85, 22,962.62 and 4,779.32 is: 7,169.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,307.85 : 22,962.62 = 4,779.32 : x
  2. Step 2: Convert to fraction form
    15,307.85/22,962.62 = 4,779.32/x
  3. Step 3: Cross multiply
    15,307.85x = 22,962.62 × 4,779.32
  4. Step 4: Simplify right side
    15,307.85x = 109,745,740.36
  5. Step 5: Solve for x
    x = 109,745,740.36/15,307.85
  6. Step 6: Final answer
    x = 7,169.25

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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.