Home / 19,063.70-26,307.45-11,105.40

Finding the Fourth Proportional to 19,063.70, 26,307.45 and 11,105.40

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Solution

The fourth proportional to 19,063.70, 26,307.45 and 11,105.40 is: 15,325.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,063.70 : 26,307.45 = 11,105.40 : x
  2. Step 2: Convert to fraction form
    19,063.70/26,307.45 = 11,105.40/x
  3. Step 3: Cross multiply
    19,063.70x = 26,307.45 × 11,105.40
  4. Step 4: Simplify right side
    19,063.70x = 292,154,853.88
  5. Step 5: Solve for x
    x = 292,154,853.88/19,063.70
  6. Step 6: Final answer
    x = 15,325.19

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Half 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.