Home / 22,905.72-34,337.04-12,359.94

Finding the Fourth Proportional to 22,905.72, 34,337.04 and 12,359.94

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Solution

The fourth proportional to 22,905.72, 34,337.04 and 12,359.94 is: 18,528.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,905.72 : 34,337.04 = 12,359.94 : x
  2. Step 2: Convert to fraction form
    22,905.72/34,337.04 = 12,359.94/x
  3. Step 3: Cross multiply
    22,905.72x = 34,337.04 × 12,359.94
  4. Step 4: Simplify right side
    22,905.72x = 424,403,707.83
  5. Step 5: Solve for x
    x = 424,403,707.83/22,905.72
  6. Step 6: Final answer
    x = 18,528.28

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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.