Home / 26,520.36-36,582.82-15,903.80

Finding the Fourth Proportional to 26,520.36, 36,582.82 and 15,903.80

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Solution

The fourth proportional to 26,520.36, 36,582.82 and 15,903.80 is: 21,938.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,520.36 : 36,582.82 = 15,903.80 : x
  2. Step 2: Convert to fraction form
    26,520.36/36,582.82 = 15,903.80/x
  3. Step 3: Cross multiply
    26,520.36x = 36,582.82 × 15,903.80
  4. Step 4: Simplify right side
    26,520.36x = 581,805,852.72
  5. Step 5: Solve for x
    x = 581,805,852.72/26,520.36
  6. Step 6: Final answer
    x = 21,938.08

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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.