Home / 19,164.48-26,446.80-10,781.04

Finding the Fourth Proportional to 19,164.48, 26,446.80 and 10,781.04

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Solution

The fourth proportional to 19,164.48, 26,446.80 and 10,781.04 is: 14,877.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,164.48 : 26,446.80 = 10,781.04 : x
  2. Step 2: Convert to fraction form
    19,164.48/26,446.80 = 10,781.04/x
  3. Step 3: Cross multiply
    19,164.48x = 26,446.80 × 10,781.04
  4. Step 4: Simplify right side
    19,164.48x = 285,124,008.67
  5. Step 5: Solve for x
    x = 285,124,008.67/19,164.48
  6. Step 6: Final answer
    x = 14,877.73

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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.