Home / 19,209.11-26,507.67-10,712.15

Finding the Fourth Proportional to 19,209.11, 26,507.67 and 10,712.15

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Solution

The fourth proportional to 19,209.11, 26,507.67 and 10,712.15 is: 14,782.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,209.11 : 26,507.67 = 10,712.15 : x
  2. Step 2: Convert to fraction form
    19,209.11/26,507.67 = 10,712.15/x
  3. Step 3: Cross multiply
    19,209.11x = 26,507.67 × 10,712.15
  4. Step 4: Simplify right side
    19,209.11x = 283,954,137.19
  5. Step 5: Solve for x
    x = 283,954,137.19/19,209.11
  6. Step 6: Final answer
    x = 14,782.26

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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.