Home / 25,671.84-35,427.28-15,061.68

Finding the Fourth Proportional to 25,671.84, 35,427.28 and 15,061.68

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Solution

The fourth proportional to 25,671.84, 35,427.28 and 15,061.68 is: 20,785.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,671.84 : 35,427.28 = 15,061.68 : x
  2. Step 2: Convert to fraction form
    25,671.84/35,427.28 = 15,061.68/x
  3. Step 3: Cross multiply
    25,671.84x = 35,427.28 × 15,061.68
  4. Step 4: Simplify right side
    25,671.84x = 533,594,354.63
  5. Step 5: Solve for x
    x = 533,594,354.63/25,671.84
  6. Step 6: Final answer
    x = 20,785.20

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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.