Home / 14,394.86-21,543.53-8,851.72

Finding the Fourth Proportional to 14,394.86, 21,543.53 and 8,851.72

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Solution

The fourth proportional to 14,394.86, 21,543.53 and 8,851.72 is: 13,247.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,394.86 : 21,543.53 = 8,851.72 : x
  2. Step 2: Convert to fraction form
    14,394.86/21,543.53 = 8,851.72/x
  3. Step 3: Cross multiply
    14,394.86x = 21,543.53 × 8,851.72
  4. Step 4: Simplify right side
    14,394.86x = 190,697,197.25
  5. Step 5: Solve for x
    x = 190,697,197.25/14,394.86
  6. Step 6: Final answer
    x = 13,247.59

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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.