Home / 18,488.39-25,514.60-10,530.95

Finding the Fourth Proportional to 18,488.39, 25,514.60 and 10,530.95

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Solution

The fourth proportional to 18,488.39, 25,514.60 and 10,530.95 is: 14,533.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,488.39 : 25,514.60 = 10,530.95 : x
  2. Step 2: Convert to fraction form
    18,488.39/25,514.60 = 10,530.95/x
  3. Step 3: Cross multiply
    18,488.39x = 25,514.60 × 10,530.95
  4. Step 4: Simplify right side
    18,488.39x = 268,692,796.64
  5. Step 5: Solve for x
    x = 268,692,796.64/18,488.39
  6. Step 6: Final answer
    x = 14,533.06

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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.