Home / 13,432.54-18,536.80-7,464.18

Finding the Fourth Proportional to 13,432.54, 18,536.80 and 7,464.18

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Solution

The fourth proportional to 13,432.54, 18,536.80 and 7,464.18 is: 10,300.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432.54 : 18,536.80 = 7,464.18 : x
  2. Step 2: Convert to fraction form
    13,432.54/18,536.80 = 7,464.18/x
  3. Step 3: Cross multiply
    13,432.54x = 18,536.80 × 7,464.18
  4. Step 4: Simplify right side
    13,432.54x = 138,362,011.82
  5. Step 5: Solve for x
    x = 138,362,011.82/13,432.54
  6. Step 6: Final answer
    x = 10,300.51

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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.