Home / 25,612.02-38,356.11-21,196.98

Finding the Fourth Proportional to 25,612.02, 38,356.11 and 21,196.98

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Solution

The fourth proportional to 25,612.02, 38,356.11 and 21,196.98 is: 31,744.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,612.02 : 38,356.11 = 21,196.98 : x
  2. Step 2: Convert to fraction form
    25,612.02/38,356.11 = 21,196.98/x
  3. Step 3: Cross multiply
    25,612.02x = 38,356.11 × 21,196.98
  4. Step 4: Simplify right side
    25,612.02x = 813,033,696.55
  5. Step 5: Solve for x
    x = 813,033,696.55/25,612.02
  6. Step 6: Final answer
    x = 31,744.22

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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.