Home / 26,551.59-36,643.56-15,225.09

Finding the Fourth Proportional to 26,551.59, 36,643.56 and 15,225.09

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Solution

The fourth proportional to 26,551.59, 36,643.56 and 15,225.09 is: 21,011.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,551.59 : 36,643.56 = 15,225.09 : x
  2. Step 2: Convert to fraction form
    26,551.59/36,643.56 = 15,225.09/x
  3. Step 3: Cross multiply
    26,551.59x = 36,643.56 × 15,225.09
  4. Step 4: Simplify right side
    26,551.59x = 557,901,498.92
  5. Step 5: Solve for x
    x = 557,901,498.92/26,551.59
  6. Step 6: Final answer
    x = 21,011.98

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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.