Home / 22,681.14-31,303.20-14,191.80

Finding the Fourth Proportional to 22,681.14, 31,303.20 and 14,191.80

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Solution

The fourth proportional to 22,681.14, 31,303.20 and 14,191.80 is: 19,586.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,681.14 : 31,303.20 = 14,191.80 : x
  2. Step 2: Convert to fraction form
    22,681.14/31,303.20 = 14,191.80/x
  3. Step 3: Cross multiply
    22,681.14x = 31,303.20 × 14,191.80
  4. Step 4: Simplify right side
    22,681.14x = 444,248,753.76
  5. Step 5: Solve for x
    x = 444,248,753.76/22,681.14
  6. Step 6: Final answer
    x = 19,586.70

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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.