Home / 19,816.76-27,349.95-12,265.53

Finding the Fourth Proportional to 19,816.76, 27,349.95 and 12,265.53

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Solution

The fourth proportional to 19,816.76, 27,349.95 and 12,265.53 is: 16,928.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,816.76 : 27,349.95 = 12,265.53 : x
  2. Step 2: Convert to fraction form
    19,816.76/27,349.95 = 12,265.53/x
  3. Step 3: Cross multiply
    19,816.76x = 27,349.95 × 12,265.53
  4. Step 4: Simplify right side
    19,816.76x = 335,461,632.22
  5. Step 5: Solve for x
    x = 335,461,632.22/19,816.76
  6. Step 6: Final answer
    x = 16,928.18

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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.