Home / 15,075.32-22,626.84-7,685.28

Finding the Fourth Proportional to 15,075.32, 22,626.84 and 7,685.28

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Solution

The fourth proportional to 15,075.32, 22,626.84 and 7,685.28 is: 11,534.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,075.32 : 22,626.84 = 7,685.28 : x
  2. Step 2: Convert to fraction form
    15,075.32/22,626.84 = 7,685.28/x
  3. Step 3: Cross multiply
    15,075.32x = 22,626.84 × 7,685.28
  4. Step 4: Simplify right side
    15,075.32x = 173,893,629.74
  5. Step 5: Solve for x
    x = 173,893,629.74/15,075.32
  6. Step 6: Final answer
    x = 11,534.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.