Home / 13,432.83-18,537.32-7,464.34

Finding the Fourth Proportional to 13,432.83, 18,537.32 and 7,464.34

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Solution

The fourth proportional to 13,432.83, 18,537.32 and 7,464.34 is: 10,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432.83 : 18,537.32 = 7,464.34 : x
  2. Step 2: Convert to fraction form
    13,432.83/18,537.32 = 7,464.34/x
  3. Step 3: Cross multiply
    13,432.83x = 18,537.32 × 7,464.34
  4. Step 4: Simplify right side
    13,432.83x = 138,368,859.17
  5. Step 5: Solve for x
    x = 138,368,859.17/13,432.83
  6. Step 6: Final answer
    x = 10,300.80

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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.