Home / 19,432.47-26,824.49-12,260.91

Finding the Fourth Proportional to 19,432.47, 26,824.49 and 12,260.91

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Solution

The fourth proportional to 19,432.47, 26,824.49 and 12,260.91 is: 16,924.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,432.47 : 26,824.49 = 12,260.91 : x
  2. Step 2: Convert to fraction form
    19,432.47/26,824.49 = 12,260.91/x
  3. Step 3: Cross multiply
    19,432.47x = 26,824.49 × 12,260.91
  4. Step 4: Simplify right side
    19,432.47x = 328,892,462.26
  5. Step 5: Solve for x
    x = 328,892,462.26/19,432.47
  6. Step 6: Final answer
    x = 16,924.90

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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.