Home / 15,575.04-23,369.40-8,177.72

Finding the Fourth Proportional to 15,575.04, 23,369.40 and 8,177.72

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Solution

The fourth proportional to 15,575.04, 23,369.40 and 8,177.72 is: 12,270.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,575.04 : 23,369.40 = 8,177.72 : x
  2. Step 2: Convert to fraction form
    15,575.04/23,369.40 = 8,177.72/x
  3. Step 3: Cross multiply
    15,575.04x = 23,369.40 × 8,177.72
  4. Step 4: Simplify right side
    15,575.04x = 191,108,409.77
  5. Step 5: Solve for x
    x = 191,108,409.77/15,575.04
  6. Step 6: Final answer
    x = 12,270.17

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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.