Home / 18,339.02-25,301.88-10,271.42

Finding the Fourth Proportional to 18,339.02, 25,301.88 and 10,271.42

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Solution

The fourth proportional to 18,339.02, 25,301.88 and 10,271.42 is: 14,171.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,339.02 : 25,301.88 = 10,271.42 : x
  2. Step 2: Convert to fraction form
    18,339.02/25,301.88 = 10,271.42/x
  3. Step 3: Cross multiply
    18,339.02x = 25,301.88 × 10,271.42
  4. Step 4: Simplify right side
    18,339.02x = 259,886,374.75
  5. Step 5: Solve for x
    x = 259,886,374.75/18,339.02
  6. Step 6: Final answer
    x = 14,171.22

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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.