Home / 15,870.55-23,816.78-5,482.30

Finding the Fourth Proportional to 15,870.55, 23,816.78 and 5,482.30

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Solution

The fourth proportional to 15,870.55, 23,816.78 and 5,482.30 is: 8,227.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,870.55 : 23,816.78 = 5,482.30 : x
  2. Step 2: Convert to fraction form
    15,870.55/23,816.78 = 5,482.30/x
  3. Step 3: Cross multiply
    15,870.55x = 23,816.78 × 5,482.30
  4. Step 4: Simplify right side
    15,870.55x = 130,570,711.26
  5. Step 5: Solve for x
    x = 130,570,711.26/15,870.55
  6. Step 6: Final answer
    x = 8,227.23

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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.