Home / 25,482.11-38,215.38-12,148.08

Finding the Fourth Proportional to 25,482.11, 38,215.38 and 12,148.08

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Solution

The fourth proportional to 25,482.11, 38,215.38 and 12,148.08 is: 18,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,482.11 : 38,215.38 = 12,148.08 : x
  2. Step 2: Convert to fraction form
    25,482.11/38,215.38 = 12,148.08/x
  3. Step 3: Cross multiply
    25,482.11x = 38,215.38 × 12,148.08
  4. Step 4: Simplify right side
    25,482.11x = 464,243,327.39
  5. Step 5: Solve for x
    x = 464,243,327.39/25,482.11
  6. Step 6: Final answer
    x = 18,218.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.