Home / 15,277.72-22,875.42-9,999.64

Finding the Fourth Proportional to 15,277.72, 22,875.42 and 9,999.64

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Solution

The fourth proportional to 15,277.72, 22,875.42 and 9,999.64 is: 14,972.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,277.72 : 22,875.42 = 9,999.64 : x
  2. Step 2: Convert to fraction form
    15,277.72/22,875.42 = 9,999.64/x
  3. Step 3: Cross multiply
    15,277.72x = 22,875.42 × 9,999.64
  4. Step 4: Simplify right side
    15,277.72x = 228,745,964.85
  5. Step 5: Solve for x
    x = 228,745,964.85/15,277.72
  6. Step 6: Final answer
    x = 14,972.52

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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.