Home / 23,111.70-34,744.89-18,240.06

Finding the Fourth Proportional to 23,111.70, 34,744.89 and 18,240.06

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Solution

The fourth proportional to 23,111.70, 34,744.89 and 18,240.06 is: 27,421.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,111.70 : 34,744.89 = 18,240.06 : x
  2. Step 2: Convert to fraction form
    23,111.70/34,744.89 = 18,240.06/x
  3. Step 3: Cross multiply
    23,111.70x = 34,744.89 × 18,240.06
  4. Step 4: Simplify right side
    23,111.70x = 633,748,878.29
  5. Step 5: Solve for x
    x = 633,748,878.29/23,111.70
  6. Step 6: Final answer
    x = 27,421.13

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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.