Home / 15,541.09-21,432.23-10,226.68

Finding the Fourth Proportional to 15,541.09, 21,432.23 and 10,226.68

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Solution

The fourth proportional to 15,541.09, 21,432.23 and 10,226.68 is: 14,103.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,541.09 : 21,432.23 = 10,226.68 : x
  2. Step 2: Convert to fraction form
    15,541.09/21,432.23 = 10,226.68/x
  3. Step 3: Cross multiply
    15,541.09x = 21,432.23 × 10,226.68
  4. Step 4: Simplify right side
    15,541.09x = 219,180,506.76
  5. Step 5: Solve for x
    x = 219,180,506.76/15,541.09
  6. Step 6: Final answer
    x = 14,103.29

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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.