Home / 19,392.60-26,761.07-11,851.55

Finding the Fourth Proportional to 19,392.60, 26,761.07 and 11,851.55

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Solution

The fourth proportional to 19,392.60, 26,761.07 and 11,851.55 is: 16,354.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,392.60 : 26,761.07 = 11,851.55 : x
  2. Step 2: Convert to fraction form
    19,392.60/26,761.07 = 11,851.55/x
  3. Step 3: Cross multiply
    19,392.60x = 26,761.07 × 11,851.55
  4. Step 4: Simplify right side
    19,392.60x = 317,160,159.16
  5. Step 5: Solve for x
    x = 317,160,159.16/19,392.60
  6. Step 6: Final answer
    x = 16,354.70

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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.