Home / 13,452.91-18,526.45-13,409.11

Finding the Fourth Proportional to 13,452.91, 18,526.45 and 13,409.11

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Solution

The fourth proportional to 13,452.91, 18,526.45 and 13,409.11 is: 18,466.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452.91 : 18,526.45 = 13,409.11 : x
  2. Step 2: Convert to fraction form
    13,452.91/18,526.45 = 13,409.11/x
  3. Step 3: Cross multiply
    13,452.91x = 18,526.45 × 13,409.11
  4. Step 4: Simplify right side
    13,452.91x = 248,423,205.96
  5. Step 5: Solve for x
    x = 248,423,205.96/13,452.91
  6. Step 6: Final answer
    x = 18,466.13

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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.