Home / 13,354.02-20,038.17-8,672.93

Finding the Fourth Proportional to 13,354.02, 20,038.17 and 8,672.93

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Solution

The fourth proportional to 13,354.02, 20,038.17 and 8,672.93 is: 13,014.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,354.02 : 20,038.17 = 8,672.93 : x
  2. Step 2: Convert to fraction form
    13,354.02/20,038.17 = 8,672.93/x
  3. Step 3: Cross multiply
    13,354.02x = 20,038.17 × 8,672.93
  4. Step 4: Simplify right side
    13,354.02x = 173,789,645.74
  5. Step 5: Solve for x
    x = 173,789,645.74/13,354.02
  6. Step 6: Final answer
    x = 13,014.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.