Home / 25,673.68-35,429.70-15,063.40

Finding the Fourth Proportional to 25,673.68, 35,429.70 and 15,063.40

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Solution

The fourth proportional to 25,673.68, 35,429.70 and 15,063.40 is: 20,787.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,673.68 : 35,429.70 = 15,063.40 : x
  2. Step 2: Convert to fraction form
    25,673.68/35,429.70 = 15,063.40/x
  3. Step 3: Cross multiply
    25,673.68x = 35,429.70 × 15,063.40
  4. Step 4: Simplify right side
    25,673.68x = 533,691,742.98
  5. Step 5: Solve for x
    x = 533,691,742.98/25,673.68
  6. Step 6: Final answer
    x = 20,787.50

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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.