Home / 14,656.29-20,225.60-7,941.92

Finding the Fourth Proportional to 14,656.29, 20,225.60 and 7,941.92

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Solution

The fourth proportional to 14,656.29, 20,225.60 and 7,941.92 is: 10,959.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,656.29 : 20,225.60 = 7,941.92 : x
  2. Step 2: Convert to fraction form
    14,656.29/20,225.60 = 7,941.92/x
  3. Step 3: Cross multiply
    14,656.29x = 20,225.60 × 7,941.92
  4. Step 4: Simplify right side
    14,656.29x = 160,629,986.10
  5. Step 5: Solve for x
    x = 160,629,986.10/14,656.29
  6. Step 6: Final answer
    x = 10,959.80

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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.