Home / 13,432.55-18,536.93-7,464.77

Finding the Fourth Proportional to 13,432.55, 18,536.93 and 7,464.77

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Solution

The fourth proportional to 13,432.55, 18,536.93 and 7,464.77 is: 10,301.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432.55 : 18,536.93 = 7,464.77 : x
  2. Step 2: Convert to fraction form
    13,432.55/18,536.93 = 7,464.77/x
  3. Step 3: Cross multiply
    13,432.55x = 18,536.93 × 7,464.77
  4. Step 4: Simplify right side
    13,432.55x = 138,373,927.97
  5. Step 5: Solve for x
    x = 138,373,927.97/13,432.55
  6. Step 6: Final answer
    x = 10,301.39

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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.