Home / 15,074.84-22,612.30-7,278.19

Finding the Fourth Proportional to 15,074.84, 22,612.30 and 7,278.19

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Solution

The fourth proportional to 15,074.84, 22,612.30 and 7,278.19 is: 10,917.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,074.84 : 22,612.30 = 7,278.19 : x
  2. Step 2: Convert to fraction form
    15,074.84/22,612.30 = 7,278.19/x
  3. Step 3: Cross multiply
    15,074.84x = 22,612.30 × 7,278.19
  4. Step 4: Simplify right side
    15,074.84x = 164,576,541.01
  5. Step 5: Solve for x
    x = 164,576,541.01/15,074.84
  6. Step 6: Final answer
    x = 10,917.30

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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.