Home / 13,816.48-19,066.68-8,151.24

Finding the Fourth Proportional to 13,816.48, 19,066.68 and 8,151.24

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Solution

The fourth proportional to 13,816.48, 19,066.68 and 8,151.24 is: 11,248.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,816.48 : 19,066.68 = 8,151.24 : x
  2. Step 2: Convert to fraction form
    13,816.48/19,066.68 = 8,151.24/x
  3. Step 3: Cross multiply
    13,816.48x = 19,066.68 × 8,151.24
  4. Step 4: Simplify right side
    13,816.48x = 155,417,084.68
  5. Step 5: Solve for x
    x = 155,417,084.68/13,816.48
  6. Step 6: Final answer
    x = 11,248.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.