Home / 14,574.48-21,865.68-5,815.60

Finding the Fourth Proportional to 14,574.48, 21,865.68 and 5,815.60

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Solution

The fourth proportional to 14,574.48, 21,865.68 and 5,815.60 is: 8,724.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,574.48 : 21,865.68 = 5,815.60 : x
  2. Step 2: Convert to fraction form
    14,574.48/21,865.68 = 5,815.60/x
  3. Step 3: Cross multiply
    14,574.48x = 21,865.68 × 5,815.60
  4. Step 4: Simplify right side
    14,574.48x = 127,162,048.61
  5. Step 5: Solve for x
    x = 127,162,048.61/14,574.48
  6. Step 6: Final answer
    x = 8,724.98

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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.