Home / 19,419.18-26,798.20-10,922.70

Finding the Fourth Proportional to 19,419.18, 26,798.20 and 10,922.70

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Solution

The fourth proportional to 19,419.18, 26,798.20 and 10,922.70 is: 15,073.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,419.18 : 26,798.20 = 10,922.70 : x
  2. Step 2: Convert to fraction form
    19,419.18/26,798.20 = 10,922.70/x
  3. Step 3: Cross multiply
    19,419.18x = 26,798.20 × 10,922.70
  4. Step 4: Simplify right side
    19,419.18x = 292,708,699.14
  5. Step 5: Solve for x
    x = 292,708,699.14/19,419.18
  6. Step 6: Final answer
    x = 15,073.18

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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.