Home / 25,335.84-38,012.08-12,186.48

Finding the Fourth Proportional to 25,335.84, 38,012.08 and 12,186.48

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Solution

The fourth proportional to 25,335.84, 38,012.08 and 12,186.48 is: 18,283.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,335.84 : 38,012.08 = 12,186.48 : x
  2. Step 2: Convert to fraction form
    25,335.84/38,012.08 = 12,186.48/x
  3. Step 3: Cross multiply
    25,335.84x = 38,012.08 × 12,186.48
  4. Step 4: Simplify right side
    25,335.84x = 463,233,452.68
  5. Step 5: Solve for x
    x = 463,233,452.68/25,335.84
  6. Step 6: Final answer
    x = 18,283.72

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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.