Home / 16,863.46-23,279.54-15,264.21

Finding the Fourth Proportional to 16,863.46, 23,279.54 and 15,264.21

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Solution

The fourth proportional to 16,863.46, 23,279.54 and 15,264.21 is: 21,071.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,863.46 : 23,279.54 = 15,264.21 : x
  2. Step 2: Convert to fraction form
    16,863.46/23,279.54 = 15,264.21/x
  3. Step 3: Cross multiply
    16,863.46x = 23,279.54 × 15,264.21
  4. Step 4: Simplify right side
    16,863.46x = 355,343,798.24
  5. Step 5: Solve for x
    x = 355,343,798.24/16,863.46
  6. Step 6: Final answer
    x = 21,071.82

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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.