Home / 19,139.72-26,411.03-17,729.10

Finding the Fourth Proportional to 19,139.72, 26,411.03 and 17,729.10

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Solution

The fourth proportional to 19,139.72, 26,411.03 and 17,729.10 is: 24,464.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,139.72 : 26,411.03 = 17,729.10 : x
  2. Step 2: Convert to fraction form
    19,139.72/26,411.03 = 17,729.10/x
  3. Step 3: Cross multiply
    19,139.72x = 26,411.03 × 17,729.10
  4. Step 4: Simplify right side
    19,139.72x = 468,243,703.33
  5. Step 5: Solve for x
    x = 468,243,703.33/19,139.72
  6. Step 6: Final answer
    x = 24,464.51

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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.