Home / 19,681.27-29,391.45-17,296.63

Finding the Fourth Proportional to 19,681.27, 29,391.45 and 17,296.63

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Solution

The fourth proportional to 19,681.27, 29,391.45 and 17,296.63 is: 25,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681.27 : 29,391.45 = 17,296.63 : x
  2. Step 2: Convert to fraction form
    19,681.27/29,391.45 = 17,296.63/x
  3. Step 3: Cross multiply
    19,681.27x = 29,391.45 × 17,296.63
  4. Step 4: Simplify right side
    19,681.27x = 508,373,035.81
  5. Step 5: Solve for x
    x = 508,373,035.81/19,681.27
  6. Step 6: Final answer
    x = 25,830.30

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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.