Home / 26,296.77-36,292.17-15,686.40

Finding the Fourth Proportional to 26,296.77, 36,292.17 and 15,686.40

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Solution

The fourth proportional to 26,296.77, 36,292.17 and 15,686.40 is: 21,648.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,296.77 : 36,292.17 = 15,686.40 : x
  2. Step 2: Convert to fraction form
    26,296.77/36,292.17 = 15,686.40/x
  3. Step 3: Cross multiply
    26,296.77x = 36,292.17 × 15,686.40
  4. Step 4: Simplify right side
    26,296.77x = 569,293,495.49
  5. Step 5: Solve for x
    x = 569,293,495.49/26,296.77
  6. Step 6: Final answer
    x = 21,648.80

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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.