Home / 19,085.83-26,340.59-11,133.05

Finding the Fourth Proportional to 19,085.83, 26,340.59 and 11,133.05

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Solution

The fourth proportional to 19,085.83, 26,340.59 and 11,133.05 is: 15,364.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,085.83 : 26,340.59 = 11,133.05 : x
  2. Step 2: Convert to fraction form
    19,085.83/26,340.59 = 11,133.05/x
  3. Step 3: Cross multiply
    19,085.83x = 26,340.59 × 11,133.05
  4. Step 4: Simplify right side
    19,085.83x = 293,251,001.63
  5. Step 5: Solve for x
    x = 293,251,001.63/19,085.83
  6. Step 6: Final answer
    x = 15,364.86

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Double scale
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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.