Home / 15,075.54-22,627.32-7,685.55

Finding the Fourth Proportional to 15,075.54, 22,627.32 and 7,685.55

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Solution

The fourth proportional to 15,075.54, 22,627.32 and 7,685.55 is: 11,535.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,075.54 : 22,627.32 = 7,685.55 : x
  2. Step 2: Convert to fraction form
    15,075.54/22,627.32 = 7,685.55/x
  3. Step 3: Cross multiply
    15,075.54x = 22,627.32 × 7,685.55
  4. Step 4: Simplify right side
    15,075.54x = 173,903,399.23
  5. Step 5: Solve for x
    x = 173,903,399.23/15,075.54
  6. Step 6: Final answer
    x = 11,535.47

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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.