Home / 15,661.81-23,485.42-5,800.87

Finding the Fourth Proportional to 15,661.81, 23,485.42 and 5,800.87

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Solution

The fourth proportional to 15,661.81, 23,485.42 and 5,800.87 is: 8,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,661.81 : 23,485.42 = 5,800.87 : x
  2. Step 2: Convert to fraction form
    15,661.81/23,485.42 = 5,800.87/x
  3. Step 3: Cross multiply
    15,661.81x = 23,485.42 × 5,800.87
  4. Step 4: Simplify right side
    15,661.81x = 136,235,868.32
  5. Step 5: Solve for x
    x = 136,235,868.32/15,661.81
  6. Step 6: Final answer
    x = 8,698.60

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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.