Home / 18,242.47-27,310.40-16,491.51

Finding the Fourth Proportional to 18,242.47, 27,310.40 and 16,491.51

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Solution

The fourth proportional to 18,242.47, 27,310.40 and 16,491.51 is: 24,689.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,242.47 : 27,310.40 = 16,491.51 : x
  2. Step 2: Convert to fraction form
    18,242.47/27,310.40 = 16,491.51/x
  3. Step 3: Cross multiply
    18,242.47x = 27,310.40 × 16,491.51
  4. Step 4: Simplify right side
    18,242.47x = 450,389,637.28
  5. Step 5: Solve for x
    x = 450,389,637.28/18,242.47
  6. Step 6: Final answer
    x = 24,689.07

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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.