Home / 19,135.76-26,406.80-10,637.66

Finding the Fourth Proportional to 19,135.76, 26,406.80 and 10,637.66

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Solution

The fourth proportional to 19,135.76, 26,406.80 and 10,637.66 is: 14,679.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,135.76 : 26,406.80 = 10,637.66 : x
  2. Step 2: Convert to fraction form
    19,135.76/26,406.80 = 10,637.66/x
  3. Step 3: Cross multiply
    19,135.76x = 26,406.80 × 10,637.66
  4. Step 4: Simplify right side
    19,135.76x = 280,906,374.87
  5. Step 5: Solve for x
    x = 280,906,374.87/19,135.76
  6. Step 6: Final answer
    x = 14,679.66

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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.