Home / 19,553.06-29,329.02-4,761.76

Finding the Fourth Proportional to 19,553.06, 29,329.02 and 4,761.76

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Solution

The fourth proportional to 19,553.06, 29,329.02 and 4,761.76 is: 7,142.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,553.06 : 29,329.02 = 4,761.76 : x
  2. Step 2: Convert to fraction form
    19,553.06/29,329.02 = 4,761.76/x
  3. Step 3: Cross multiply
    19,553.06x = 29,329.02 × 4,761.76
  4. Step 4: Simplify right side
    19,553.06x = 139,657,754.28
  5. Step 5: Solve for x
    x = 139,657,754.28/19,553.06
  6. Step 6: Final answer
    x = 7,142.50

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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.