Home / 19,331.91-26,678.03-10,948.41

Finding the Fourth Proportional to 19,331.91, 26,678.03 and 10,948.41

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Solution

The fourth proportional to 19,331.91, 26,678.03 and 10,948.41 is: 15,108.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.91 : 26,678.03 = 10,948.41 : x
  2. Step 2: Convert to fraction form
    19,331.91/26,678.03 = 10,948.41/x
  3. Step 3: Cross multiply
    19,331.91x = 26,678.03 × 10,948.41
  4. Step 4: Simplify right side
    19,331.91x = 292,082,037.80
  5. Step 5: Solve for x
    x = 292,082,037.80/19,331.91
  6. Step 6: Final answer
    x = 15,108.80

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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.