Home / 18,878.93-26,053.02-10,381.60

Finding the Fourth Proportional to 18,878.93, 26,053.02 and 10,381.60

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Solution

The fourth proportional to 18,878.93, 26,053.02 and 10,381.60 is: 14,326.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,878.93 : 26,053.02 = 10,381.60 : x
  2. Step 2: Convert to fraction form
    18,878.93/26,053.02 = 10,381.60/x
  3. Step 3: Cross multiply
    18,878.93x = 26,053.02 × 10,381.60
  4. Step 4: Simplify right side
    18,878.93x = 270,472,032.43
  5. Step 5: Solve for x
    x = 270,472,032.43/18,878.93
  6. Step 6: Final answer
    x = 14,326.66

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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.