Home / 27,594.12-38,079.54-15,018.84

Finding the Fourth Proportional to 27,594.12, 38,079.54 and 15,018.84

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Solution

The fourth proportional to 27,594.12, 38,079.54 and 15,018.84 is: 20,725.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,594.12 : 38,079.54 = 15,018.84 : x
  2. Step 2: Convert to fraction form
    27,594.12/38,079.54 = 15,018.84/x
  3. Step 3: Cross multiply
    27,594.12x = 38,079.54 × 15,018.84
  4. Step 4: Simplify right side
    27,594.12x = 571,910,518.53
  5. Step 5: Solve for x
    x = 571,910,518.53/27,594.12
  6. Step 6: Final answer
    x = 20,725.81

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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.