Home / 13,336.40-18,411.56-8,032.52

Finding the Fourth Proportional to 13,336.40, 18,411.56 and 8,032.52

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Solution

The fourth proportional to 13,336.40, 18,411.56 and 8,032.52 is: 11,089.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.40 : 18,411.56 = 8,032.52 : x
  2. Step 2: Convert to fraction form
    13,336.40/18,411.56 = 8,032.52/x
  3. Step 3: Cross multiply
    13,336.40x = 18,411.56 × 8,032.52
  4. Step 4: Simplify right side
    13,336.40x = 147,891,223.93
  5. Step 5: Solve for x
    x = 147,891,223.93/13,336.40
  6. Step 6: Final answer
    x = 11,089.29

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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.