Home / 26,139.58-36,075.71-15,529.25

Finding the Fourth Proportional to 26,139.58, 36,075.71 and 15,529.25

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Solution

The fourth proportional to 26,139.58, 36,075.71 and 15,529.25 is: 21,432.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,139.58 : 36,075.71 = 15,529.25 : x
  2. Step 2: Convert to fraction form
    26,139.58/36,075.71 = 15,529.25/x
  3. Step 3: Cross multiply
    26,139.58x = 36,075.71 × 15,529.25
  4. Step 4: Simplify right side
    26,139.58x = 560,228,719.52
  5. Step 5: Solve for x
    x = 560,228,719.52/26,139.58
  6. Step 6: Final answer
    x = 21,432.20

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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.