Home / 19,085.66-26,339.25-12,377.04

Finding the Fourth Proportional to 19,085.66, 26,339.25 and 12,377.04

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Solution

The fourth proportional to 19,085.66, 26,339.25 and 12,377.04 is: 17,080.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,085.66 : 26,339.25 = 12,377.04 : x
  2. Step 2: Convert to fraction form
    19,085.66/26,339.25 = 12,377.04/x
  3. Step 3: Cross multiply
    19,085.66x = 26,339.25 × 12,377.04
  4. Step 4: Simplify right side
    19,085.66x = 326,001,950.82
  5. Step 5: Solve for x
    x = 326,001,950.82/19,085.66
  6. Step 6: Final answer
    x = 17,080.99

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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.