Home / 22,555.06-31,140.11-14,491.98

Finding the Fourth Proportional to 22,555.06, 31,140.11 and 14,491.98

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Solution

The fourth proportional to 22,555.06, 31,140.11 and 14,491.98 is: 20,008.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,555.06 : 31,140.11 = 14,491.98 : x
  2. Step 2: Convert to fraction form
    22,555.06/31,140.11 = 14,491.98/x
  3. Step 3: Cross multiply
    22,555.06x = 31,140.11 × 14,491.98
  4. Step 4: Simplify right side
    22,555.06x = 451,281,887.55
  5. Step 5: Solve for x
    x = 451,281,887.55/22,555.06
  6. Step 6: Final answer
    x = 20,008.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.