Home / 15,254.24-21,034.22-13,247.06

Finding the Fourth Proportional to 15,254.24, 21,034.22 and 13,247.06

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Solution

The fourth proportional to 15,254.24, 21,034.22 and 13,247.06 is: 18,266.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,254.24 : 21,034.22 = 13,247.06 : x
  2. Step 2: Convert to fraction form
    15,254.24/21,034.22 = 13,247.06/x
  3. Step 3: Cross multiply
    15,254.24x = 21,034.22 × 13,247.06
  4. Step 4: Simplify right side
    15,254.24x = 278,641,574.39
  5. Step 5: Solve for x
    x = 278,641,574.39/15,254.24
  6. Step 6: Final answer
    x = 18,266.50

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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.