Home / 13,582.83-18,740.18-8,552.07

Finding the Fourth Proportional to 13,582.83, 18,740.18 and 8,552.07

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Solution

The fourth proportional to 13,582.83, 18,740.18 and 8,552.07 is: 11,799.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582.83 : 18,740.18 = 8,552.07 : x
  2. Step 2: Convert to fraction form
    13,582.83/18,740.18 = 8,552.07/x
  3. Step 3: Cross multiply
    13,582.83x = 18,740.18 × 8,552.07
  4. Step 4: Simplify right side
    13,582.83x = 160,267,304.45
  5. Step 5: Solve for x
    x = 160,267,304.45/13,582.83
  6. Step 6: Final answer
    x = 11,799.26

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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.