Home / 25,642.71-35,374.79-16,686.95

Finding the Fourth Proportional to 25,642.71, 35,374.79 and 16,686.95

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Solution

The fourth proportional to 25,642.71, 35,374.79 and 16,686.95 is: 23,020.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,642.71 : 35,374.79 = 16,686.95 : x
  2. Step 2: Convert to fraction form
    25,642.71/35,374.79 = 16,686.95/x
  3. Step 3: Cross multiply
    25,642.71x = 35,374.79 × 16,686.95
  4. Step 4: Simplify right side
    25,642.71x = 590,297,216.83
  5. Step 5: Solve for x
    x = 590,297,216.83/25,642.71
  6. Step 6: Final answer
    x = 23,020.08

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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.