Home / 18,522.79-25,561.74-10,456.87

Finding the Fourth Proportional to 18,522.79, 25,561.74 and 10,456.87

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Solution

The fourth proportional to 18,522.79, 25,561.74 and 10,456.87 is: 14,430.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,522.79 : 25,561.74 = 10,456.87 : x
  2. Step 2: Convert to fraction form
    18,522.79/25,561.74 = 10,456.87/x
  3. Step 3: Cross multiply
    18,522.79x = 25,561.74 × 10,456.87
  4. Step 4: Simplify right side
    18,522.79x = 267,295,792.15
  5. Step 5: Solve for x
    x = 267,295,792.15/18,522.79
  6. Step 6: Final answer
    x = 14,430.64

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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.