Home / 15,755.61-23,634.57-5,225.21

Finding the Fourth Proportional to 15,755.61, 23,634.57 and 5,225.21

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Solution

The fourth proportional to 15,755.61, 23,634.57 and 5,225.21 is: 7,838.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,755.61 : 23,634.57 = 5,225.21 : x
  2. Step 2: Convert to fraction form
    15,755.61/23,634.57 = 5,225.21/x
  3. Step 3: Cross multiply
    15,755.61x = 23,634.57 × 5,225.21
  4. Step 4: Simplify right side
    15,755.61x = 123,495,473.34
  5. Step 5: Solve for x
    x = 123,495,473.34/15,755.61
  6. Step 6: Final answer
    x = 7,838.19

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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.