Home / 15,757.80-23,638.05-5,225.55

Finding the Fourth Proportional to 15,757.80, 23,638.05 and 5,225.55

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Solution

The fourth proportional to 15,757.80, 23,638.05 and 5,225.55 is: 7,838.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,757.80 : 23,638.05 = 5,225.55 : x
  2. Step 2: Convert to fraction form
    15,757.80/23,638.05 = 5,225.55/x
  3. Step 3: Cross multiply
    15,757.80x = 23,638.05 × 5,225.55
  4. Step 4: Simplify right side
    15,757.80x = 123,521,812.18
  5. Step 5: Solve for x
    x = 123,521,812.18/15,757.80
  6. Step 6: Final answer
    x = 7,838.77

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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.