Home / 18,597.02-25,657.45-11,886.57

Finding the Fourth Proportional to 18,597.02, 25,657.45 and 11,886.57

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Solution

The fourth proportional to 18,597.02, 25,657.45 and 11,886.57 is: 16,399.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,597.02 : 25,657.45 = 11,886.57 : x
  2. Step 2: Convert to fraction form
    18,597.02/25,657.45 = 11,886.57/x
  3. Step 3: Cross multiply
    18,597.02x = 25,657.45 × 11,886.57
  4. Step 4: Simplify right side
    18,597.02x = 304,979,045.73
  5. Step 5: Solve for x
    x = 304,979,045.73/18,597.02
  6. Step 6: Final answer
    x = 16,399.35

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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.