Home / 25,653.84-35,402.45-15,043.65

Finding the Fourth Proportional to 25,653.84, 35,402.45 and 15,043.65

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Solution

The fourth proportional to 25,653.84, 35,402.45 and 15,043.65 is: 20,760.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,653.84 : 35,402.45 = 15,043.65 : x
  2. Step 2: Convert to fraction form
    25,653.84/35,402.45 = 15,043.65/x
  3. Step 3: Cross multiply
    25,653.84x = 35,402.45 × 15,043.65
  4. Step 4: Simplify right side
    25,653.84x = 532,581,991.72
  5. Step 5: Solve for x
    x = 532,581,991.72/25,653.84
  6. Step 6: Final answer
    x = 20,760.32

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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.