Home / 25,823.79-35,633.97-15,754.95

Finding the Fourth Proportional to 25,823.79, 35,633.97 and 15,754.95

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Solution

The fourth proportional to 25,823.79, 35,633.97 and 15,754.95 is: 21,740.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,823.79 : 35,633.97 = 15,754.95 : x
  2. Step 2: Convert to fraction form
    25,823.79/35,633.97 = 15,754.95/x
  3. Step 3: Cross multiply
    25,823.79x = 35,633.97 × 15,754.95
  4. Step 4: Simplify right side
    25,823.79x = 561,411,415.65
  5. Step 5: Solve for x
    x = 561,411,415.65/25,823.79
  6. Step 6: Final answer
    x = 21,740.09

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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.