Home / 22,187.13-30,610.40-14,233.65

Finding the Fourth Proportional to 22,187.13, 30,610.40 and 14,233.65

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Solution

The fourth proportional to 22,187.13, 30,610.40 and 14,233.65 is: 19,637.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,187.13 : 30,610.40 = 14,233.65 : x
  2. Step 2: Convert to fraction form
    22,187.13/30,610.40 = 14,233.65/x
  3. Step 3: Cross multiply
    22,187.13x = 30,610.40 × 14,233.65
  4. Step 4: Simplify right side
    22,187.13x = 435,697,648.79
  5. Step 5: Solve for x
    x = 435,697,648.79/22,187.13
  6. Step 6: Final answer
    x = 19,637.40

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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.