Home / 27,715.47-38,247.34-14,968.66

Finding the Fourth Proportional to 27,715.47, 38,247.34 and 14,968.66

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Solution

The fourth proportional to 27,715.47, 38,247.34 and 14,968.66 is: 20,656.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,715.47 : 38,247.34 = 14,968.66 : x
  2. Step 2: Convert to fraction form
    27,715.47/38,247.34 = 14,968.66/x
  3. Step 3: Cross multiply
    27,715.47x = 38,247.34 × 14,968.66
  4. Step 4: Simplify right side
    27,715.47x = 572,511,162.28
  5. Step 5: Solve for x
    x = 572,511,162.28/27,715.47
  6. Step 6: Final answer
    x = 20,656.74

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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.