Home / 19,238.48-26,549.16-10,854.80

Finding the Fourth Proportional to 19,238.48, 26,549.16 and 10,854.80

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Solution

The fourth proportional to 19,238.48, 26,549.16 and 10,854.80 is: 14,979.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,238.48 : 26,549.16 = 10,854.80 : x
  2. Step 2: Convert to fraction form
    19,238.48/26,549.16 = 10,854.80/x
  3. Step 3: Cross multiply
    19,238.48x = 26,549.16 × 10,854.80
  4. Step 4: Simplify right side
    19,238.48x = 288,185,821.97
  5. Step 5: Solve for x
    x = 288,185,821.97/19,238.48
  6. Step 6: Final answer
    x = 14,979.66

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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.