Home / 19,540.89-26,966.39-10,588.55

Finding the Fourth Proportional to 19,540.89, 26,966.39 and 10,588.55

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Solution

The fourth proportional to 19,540.89, 26,966.39 and 10,588.55 is: 14,612.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,540.89 : 26,966.39 = 10,588.55 : x
  2. Step 2: Convert to fraction form
    19,540.89/26,966.39 = 10,588.55/x
  3. Step 3: Cross multiply
    19,540.89x = 26,966.39 × 10,588.55
  4. Step 4: Simplify right side
    19,540.89x = 285,534,781.06
  5. Step 5: Solve for x
    x = 285,534,781.06/19,540.89
  6. Step 6: Final answer
    x = 14,612.17

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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.