Home / 27,594.18-38,079.81-15,018.66

Finding the Fourth Proportional to 27,594.18, 38,079.81 and 15,018.66

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Solution

The fourth proportional to 27,594.18, 38,079.81 and 15,018.66 is: 20,725.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,594.18 : 38,079.81 = 15,018.66 : x
  2. Step 2: Convert to fraction form
    27,594.18/38,079.81 = 15,018.66/x
  3. Step 3: Cross multiply
    27,594.18x = 38,079.81 × 15,018.66
  4. Step 4: Simplify right side
    27,594.18x = 571,907,719.25
  5. Step 5: Solve for x
    x = 571,907,719.25/27,594.18
  6. Step 6: Final answer
    x = 20,725.66

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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.