Home / 14,513.34-20,036.93-11,149.55

Finding the Fourth Proportional to 14,513.34, 20,036.93 and 11,149.55

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Solution

The fourth proportional to 14,513.34, 20,036.93 and 11,149.55 is: 15,392.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,513.34 : 20,036.93 = 11,149.55 : x
  2. Step 2: Convert to fraction form
    14,513.34/20,036.93 = 11,149.55/x
  3. Step 3: Cross multiply
    14,513.34x = 20,036.93 × 11,149.55
  4. Step 4: Simplify right side
    14,513.34x = 223,402,596.95
  5. Step 5: Solve for x
    x = 223,402,596.95/14,513.34
  6. Step 6: Final answer
    x = 15,392.91

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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.