Home / 26,459.71-36,520.07-15,855.50

Finding the Fourth Proportional to 26,459.71, 36,520.07 and 15,855.50

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Solution

The fourth proportional to 26,459.71, 36,520.07 and 15,855.50 is: 21,883.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,459.71 : 36,520.07 = 15,855.50 : x
  2. Step 2: Convert to fraction form
    26,459.71/36,520.07 = 15,855.50/x
  3. Step 3: Cross multiply
    26,459.71x = 36,520.07 × 15,855.50
  4. Step 4: Simplify right side
    26,459.71x = 579,043,776.48
  5. Step 5: Solve for x
    x = 579,043,776.48/26,459.71
  6. Step 6: Final answer
    x = 21,883.98

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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.