Home / 12,367.53-18,483.40-9,042.77

Finding the Fourth Proportional to 12,367.53, 18,483.40 and 9,042.77

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Solution

The fourth proportional to 12,367.53, 18,483.40 and 9,042.77 is: 13,514.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,367.53 : 18,483.40 = 9,042.77 : x
  2. Step 2: Convert to fraction form
    12,367.53/18,483.40 = 9,042.77/x
  3. Step 3: Cross multiply
    12,367.53x = 18,483.40 × 9,042.77
  4. Step 4: Simplify right side
    12,367.53x = 167,141,170.42
  5. Step 5: Solve for x
    x = 167,141,170.42/12,367.53
  6. Step 6: Final answer
    x = 13,514.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.