Home / 15,740.99-23,605.82-5,209.07

Finding the Fourth Proportional to 15,740.99, 23,605.82 and 5,209.07

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Solution

The fourth proportional to 15,740.99, 23,605.82 and 5,209.07 is: 7,811.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,740.99 : 23,605.82 = 5,209.07 : x
  2. Step 2: Convert to fraction form
    15,740.99/23,605.82 = 5,209.07/x
  3. Step 3: Cross multiply
    15,740.99x = 23,605.82 × 5,209.07
  4. Step 4: Simplify right side
    15,740.99x = 122,964,224.71
  5. Step 5: Solve for x
    x = 122,964,224.71/15,740.99
  6. Step 6: Final answer
    x = 7,811.72

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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.