Home / 27,560.79-38,034.77-14,985.54

Finding the Fourth Proportional to 27,560.79, 38,034.77 and 14,985.54

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Solution

The fourth proportional to 27,560.79, 38,034.77 and 14,985.54 is: 20,680.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,560.79 : 38,034.77 = 14,985.54 : x
  2. Step 2: Convert to fraction form
    27,560.79/38,034.77 = 14,985.54/x
  3. Step 3: Cross multiply
    27,560.79x = 38,034.77 × 14,985.54
  4. Step 4: Simplify right side
    27,560.79x = 569,971,492.30
  5. Step 5: Solve for x
    x = 569,971,492.30/27,560.79
  6. Step 6: Final answer
    x = 20,680.52

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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.