Home / 13,432.25-18,536.70-7,464.47

Finding the Fourth Proportional to 13,432.25, 18,536.70 and 7,464.47

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Solution

The fourth proportional to 13,432.25, 18,536.70 and 7,464.47 is: 10,301.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432.25 : 18,536.70 = 7,464.47 : x
  2. Step 2: Convert to fraction form
    13,432.25/18,536.70 = 7,464.47/x
  3. Step 3: Cross multiply
    13,432.25x = 18,536.70 × 7,464.47
  4. Step 4: Simplify right side
    13,432.25x = 138,366,548.37
  5. Step 5: Solve for x
    x = 138,366,548.37/13,432.25
  6. Step 6: Final answer
    x = 10,301.07

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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.