Home / 14,941.51-20,618.52-8,225.86

Finding the Fourth Proportional to 14,941.51, 20,618.52 and 8,225.86

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Solution

The fourth proportional to 14,941.51, 20,618.52 and 8,225.86 is: 11,351.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,941.51 : 20,618.52 = 8,225.86 : x
  2. Step 2: Convert to fraction form
    14,941.51/20,618.52 = 8,225.86/x
  3. Step 3: Cross multiply
    14,941.51x = 20,618.52 × 8,225.86
  4. Step 4: Simplify right side
    14,941.51x = 169,605,058.93
  5. Step 5: Solve for x
    x = 169,605,058.93/14,941.51
  6. Step 6: Final answer
    x = 11,351.27

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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.