Home / 19,722.15-27,217.02-10,769.71

Finding the Fourth Proportional to 19,722.15, 27,217.02 and 10,769.71

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Solution

The fourth proportional to 19,722.15, 27,217.02 and 10,769.71 is: 14,862.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,722.15 : 27,217.02 = 10,769.71 : x
  2. Step 2: Convert to fraction form
    19,722.15/27,217.02 = 10,769.71/x
  3. Step 3: Cross multiply
    19,722.15x = 27,217.02 × 10,769.71
  4. Step 4: Simplify right side
    19,722.15x = 293,119,412.46
  5. Step 5: Solve for x
    x = 293,119,412.46/19,722.15
  6. Step 6: Final answer
    x = 14,862.45

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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.