Home / 13,432.94-18,537.09-7,464.45

Finding the Fourth Proportional to 13,432.94, 18,537.09 and 7,464.45

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Solution

The fourth proportional to 13,432.94, 18,537.09 and 7,464.45 is: 10,300.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432.94 : 18,537.09 = 7,464.45 : x
  2. Step 2: Convert to fraction form
    13,432.94/18,537.09 = 7,464.45/x
  3. Step 3: Cross multiply
    13,432.94x = 18,537.09 × 7,464.45
  4. Step 4: Simplify right side
    13,432.94x = 138,369,181.45
  5. Step 5: Solve for x
    x = 138,369,181.45/13,432.94
  6. Step 6: Final answer
    x = 10,300.74

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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.