Home / 15,452.50-21,313.56-14,938.11

Finding the Fourth Proportional to 15,452.50, 21,313.56 and 14,938.11

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Solution

The fourth proportional to 15,452.50, 21,313.56 and 14,938.11 is: 20,604.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,452.50 : 21,313.56 = 14,938.11 : x
  2. Step 2: Convert to fraction form
    15,452.50/21,313.56 = 14,938.11/x
  3. Step 3: Cross multiply
    15,452.50x = 21,313.56 × 14,938.11
  4. Step 4: Simplify right side
    15,452.50x = 318,384,303.77
  5. Step 5: Solve for x
    x = 318,384,303.77/15,452.50
  6. Step 6: Final answer
    x = 20,604.07

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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.