Home / 25,685.98-38,541.18-17,800.63

Finding the Fourth Proportional to 25,685.98, 38,541.18 and 17,800.63

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Solution

The fourth proportional to 25,685.98, 38,541.18 and 17,800.63 is: 26,709.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,685.98 : 38,541.18 = 17,800.63 : x
  2. Step 2: Convert to fraction form
    25,685.98/38,541.18 = 17,800.63/x
  3. Step 3: Cross multiply
    25,685.98x = 38,541.18 × 17,800.63
  4. Step 4: Simplify right side
    25,685.98x = 686,057,284.94
  5. Step 5: Solve for x
    x = 686,057,284.94/25,685.98
  6. Step 6: Final answer
    x = 26,709.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.