Home / 13,432.24-18,536.52-7,464.28

Finding the Fourth Proportional to 13,432.24, 18,536.52 and 7,464.28

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Solution

The fourth proportional to 13,432.24, 18,536.52 and 7,464.28 is: 10,300.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432.24 : 18,536.52 = 7,464.28 : x
  2. Step 2: Convert to fraction form
    13,432.24/18,536.52 = 7,464.28/x
  3. Step 3: Cross multiply
    13,432.24x = 18,536.52 × 7,464.28
  4. Step 4: Simplify right side
    13,432.24x = 138,361,775.51
  5. Step 5: Solve for x
    x = 138,361,775.51/13,432.24
  6. Step 6: Final answer
    x = 10,300.72

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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.