Home / 27,722.12-38,256.54-14,975.30

Finding the Fourth Proportional to 27,722.12, 38,256.54 and 14,975.30

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Solution

The fourth proportional to 27,722.12, 38,256.54 and 14,975.30 is: 20,665.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,722.12 : 38,256.54 = 14,975.30 : x
  2. Step 2: Convert to fraction form
    27,722.12/38,256.54 = 14,975.30/x
  3. Step 3: Cross multiply
    27,722.12x = 38,256.54 × 14,975.30
  4. Step 4: Simplify right side
    27,722.12x = 572,902,972.18
  5. Step 5: Solve for x
    x = 572,902,972.18/27,722.12
  6. Step 6: Final answer
    x = 20,665.92

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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.