Home / 13,416.02-20,022.61-13,066.10

Finding the Fourth Proportional to 13,416.02, 20,022.61 and 13,066.10

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Solution

The fourth proportional to 13,416.02, 20,022.61 and 13,066.10 is: 19,500.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,416.02 : 20,022.61 = 13,066.10 : x
  2. Step 2: Convert to fraction form
    13,416.02/20,022.61 = 13,066.10/x
  3. Step 3: Cross multiply
    13,416.02x = 20,022.61 × 13,066.10
  4. Step 4: Simplify right side
    13,416.02x = 261,617,291.74
  5. Step 5: Solve for x
    x = 261,617,291.74/13,416.02
  6. Step 6: Final answer
    x = 19,500.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.