Home / 19,333.47-26,672.20-12,616.68

Finding the Fourth Proportional to 19,333.47, 26,672.20 and 12,616.68

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Solution

The fourth proportional to 19,333.47, 26,672.20 and 12,616.68 is: 17,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,333.47 : 26,672.20 = 12,616.68 : x
  2. Step 2: Convert to fraction form
    19,333.47/26,672.20 = 12,616.68/x
  3. Step 3: Cross multiply
    19,333.47x = 26,672.20 × 12,616.68
  4. Step 4: Simplify right side
    19,333.47x = 336,514,549.21
  5. Step 5: Solve for x
    x = 336,514,549.21/19,333.47
  6. Step 6: Final answer
    x = 17,405.80

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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.