Home / 15,529.24-23,271.90-7,211.80

Finding the Fourth Proportional to 15,529.24, 23,271.90 and 7,211.80

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Solution

The fourth proportional to 15,529.24, 23,271.90 and 7,211.80 is: 10,807.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,529.24 : 23,271.90 = 7,211.80 : x
  2. Step 2: Convert to fraction form
    15,529.24/23,271.90 = 7,211.80/x
  3. Step 3: Cross multiply
    15,529.24x = 23,271.90 × 7,211.80
  4. Step 4: Simplify right side
    15,529.24x = 167,832,288.42
  5. Step 5: Solve for x
    x = 167,832,288.42/15,529.24
  6. Step 6: Final answer
    x = 10,807.50

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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.