Home / 14,967.75-20,656.37-8,254.81

Finding the Fourth Proportional to 14,967.75, 20,656.37 and 8,254.81

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Solution

The fourth proportional to 14,967.75, 20,656.37 and 8,254.81 is: 11,392.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,967.75 : 20,656.37 = 8,254.81 : x
  2. Step 2: Convert to fraction form
    14,967.75/20,656.37 = 8,254.81/x
  3. Step 3: Cross multiply
    14,967.75x = 20,656.37 × 8,254.81
  4. Step 4: Simplify right side
    14,967.75x = 170,514,265.08
  5. Step 5: Solve for x
    x = 170,514,265.08/14,967.75
  6. Step 6: Final answer
    x = 11,392.11

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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.