Home / 19,508.40-26,892.60-13,834.80

Finding the Fourth Proportional to 19,508.40, 26,892.60 and 13,834.80

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Solution

The fourth proportional to 19,508.40, 26,892.60 and 13,834.80 is: 19,071.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,508.40 : 26,892.60 = 13,834.80 : x
  2. Step 2: Convert to fraction form
    19,508.40/26,892.60 = 13,834.80/x
  3. Step 3: Cross multiply
    19,508.40x = 26,892.60 × 13,834.80
  4. Step 4: Simplify right side
    19,508.40x = 372,053,742.48
  5. Step 5: Solve for x
    x = 372,053,742.48/19,508.40
  6. Step 6: Final answer
    x = 19,071.46

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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.