Home / 19,146.28-26,424.24-10,762.78

Finding the Fourth Proportional to 19,146.28, 26,424.24 and 10,762.78

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Solution

The fourth proportional to 19,146.28, 26,424.24 and 10,762.78 is: 14,853.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,146.28 : 26,424.24 = 10,762.78 : x
  2. Step 2: Convert to fraction form
    19,146.28/26,424.24 = 10,762.78/x
  3. Step 3: Cross multiply
    19,146.28x = 26,424.24 × 10,762.78
  4. Step 4: Simplify right side
    19,146.28x = 284,398,281.79
  5. Step 5: Solve for x
    x = 284,398,281.79/19,146.28
  6. Step 6: Final answer
    x = 14,853.97

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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.