Home / 18,714.48-25,826.88-10,331.52

Finding the Fourth Proportional to 18,714.48, 25,826.88 and 10,331.52

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Solution

The fourth proportional to 18,714.48, 25,826.88 and 10,331.52 is: 14,257.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,714.48 : 25,826.88 = 10,331.52 : x
  2. Step 2: Convert to fraction form
    18,714.48/25,826.88 = 10,331.52/x
  3. Step 3: Cross multiply
    18,714.48x = 25,826.88 × 10,331.52
  4. Step 4: Simplify right side
    18,714.48x = 266,830,927.26
  5. Step 5: Solve for x
    x = 266,830,927.26/18,714.48
  6. Step 6: Final answer
    x = 14,257.99

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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.