Home / 19,666.74-27,139.98-10,714.22

Finding the Fourth Proportional to 19,666.74, 27,139.98 and 10,714.22

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Solution

The fourth proportional to 19,666.74, 27,139.98 and 10,714.22 is: 14,785.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,666.74 : 27,139.98 = 10,714.22 : x
  2. Step 2: Convert to fraction form
    19,666.74/27,139.98 = 10,714.22/x
  3. Step 3: Cross multiply
    19,666.74x = 27,139.98 × 10,714.22
  4. Step 4: Simplify right side
    19,666.74x = 290,783,716.52
  5. Step 5: Solve for x
    x = 290,783,716.52/19,666.74
  6. Step 6: Final answer
    x = 14,785.56

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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.