Home / 19,135.28-26,407.14-10,637.66

Finding the Fourth Proportional to 19,135.28, 26,407.14 and 10,637.66

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Solution

The fourth proportional to 19,135.28, 26,407.14 and 10,637.66 is: 14,680.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,135.28 : 26,407.14 = 10,637.66 : x
  2. Step 2: Convert to fraction form
    19,135.28/26,407.14 = 10,637.66/x
  3. Step 3: Cross multiply
    19,135.28x = 26,407.14 × 10,637.66
  4. Step 4: Simplify right side
    19,135.28x = 280,910,176.89
  5. Step 5: Solve for x
    x = 280,910,176.89/19,135.28
  6. Step 6: Final answer
    x = 14,680.22

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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.