Home / 19,748.81-27,253.36-14,717.40

Finding the Fourth Proportional to 19,748.81, 27,253.36 and 14,717.40

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Solution

The fourth proportional to 19,748.81, 27,253.36 and 14,717.40 is: 20,310.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,748.81 : 27,253.36 = 14,717.40 : x
  2. Step 2: Convert to fraction form
    19,748.81/27,253.36 = 14,717.40/x
  3. Step 3: Cross multiply
    19,748.81x = 27,253.36 × 14,717.40
  4. Step 4: Simplify right side
    19,748.81x = 401,098,516.66
  5. Step 5: Solve for x
    x = 401,098,516.66/19,748.81
  6. Step 6: Final answer
    x = 20,310.01

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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.