Home / 13,432.77-18,536.85-7,464.15

Finding the Fourth Proportional to 13,432.77, 18,536.85 and 7,464.15

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Solution

The fourth proportional to 13,432.77, 18,536.85 and 7,464.15 is: 10,300.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432.77 : 18,536.85 = 7,464.15 : x
  2. Step 2: Convert to fraction form
    13,432.77/18,536.85 = 7,464.15/x
  3. Step 3: Cross multiply
    13,432.77x = 18,536.85 × 7,464.15
  4. Step 4: Simplify right side
    13,432.77x = 138,361,828.93
  5. Step 5: Solve for x
    x = 138,361,828.93/13,432.77
  6. Step 6: Final answer
    x = 10,300.32

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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.