Home / 13,595.02-18,765.79-8,567.72

Finding the Fourth Proportional to 13,595.02, 18,765.79 and 8,567.72

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Solution

The fourth proportional to 13,595.02, 18,765.79 and 8,567.72 is: 11,826.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,595.02 : 18,765.79 = 8,567.72 : x
  2. Step 2: Convert to fraction form
    13,595.02/18,765.79 = 8,567.72/x
  3. Step 3: Cross multiply
    13,595.02x = 18,765.79 × 8,567.72
  4. Step 4: Simplify right side
    13,595.02x = 160,780,034.30
  5. Step 5: Solve for x
    x = 160,780,034.30/13,595.02
  6. Step 6: Final answer
    x = 11,826.39

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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.