Home / 15,280.84-22,921.28-4,187.63

Finding the Fourth Proportional to 15,280.84, 22,921.28 and 4,187.63

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Solution

The fourth proportional to 15,280.84, 22,921.28 and 4,187.63 is: 6,281.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,280.84 : 22,921.28 = 4,187.63 : x
  2. Step 2: Convert to fraction form
    15,280.84/22,921.28 = 4,187.63/x
  3. Step 3: Cross multiply
    15,280.84x = 22,921.28 × 4,187.63
  4. Step 4: Simplify right side
    15,280.84x = 95,985,725.16
  5. Step 5: Solve for x
    x = 95,985,725.16/15,280.84
  6. Step 6: Final answer
    x = 6,281.44

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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.