Home / 27,715.61-38,247.53-14,968.79

Finding the Fourth Proportional to 27,715.61, 38,247.53 and 14,968.79

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Solution

The fourth proportional to 27,715.61, 38,247.53 and 14,968.79 is: 20,656.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,715.61 : 38,247.53 = 14,968.79 : x
  2. Step 2: Convert to fraction form
    27,715.61/38,247.53 = 14,968.79/x
  3. Step 3: Cross multiply
    27,715.61x = 38,247.53 × 14,968.79
  4. Step 4: Simplify right side
    27,715.61x = 572,519,244.59
  5. Step 5: Solve for x
    x = 572,519,244.59/27,715.61
  6. Step 6: Final answer
    x = 20,656.92

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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.