Home / 25,281.28-37,729.68-22,478.87

Finding the Fourth Proportional to 25,281.28, 37,729.68 and 22,478.87

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Solution

The fourth proportional to 25,281.28, 37,729.68 and 22,478.87 is: 33,547.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,281.28 : 37,729.68 = 22,478.87 : x
  2. Step 2: Convert to fraction form
    25,281.28/37,729.68 = 22,478.87/x
  3. Step 3: Cross multiply
    25,281.28x = 37,729.68 × 22,478.87
  4. Step 4: Simplify right side
    25,281.28x = 848,120,496.10
  5. Step 5: Solve for x
    x = 848,120,496.10/25,281.28
  6. Step 6: Final answer
    x = 33,547.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.