Home / 13,575.66-18,732.51-7,606.86

Finding the Fourth Proportional to 13,575.66, 18,732.51 and 7,606.86

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Solution

The fourth proportional to 13,575.66, 18,732.51 and 7,606.86 is: 10,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,575.66 : 18,732.51 = 7,606.86 : x
  2. Step 2: Convert to fraction form
    13,575.66/18,732.51 = 7,606.86/x
  3. Step 3: Cross multiply
    13,575.66x = 18,732.51 × 7,606.86
  4. Step 4: Simplify right side
    13,575.66x = 142,495,581.02
  5. Step 5: Solve for x
    x = 142,495,581.02/13,575.66
  6. Step 6: Final answer
    x = 10,496.40

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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.