Home / 19,161.90-26,436.08-14,138.11

Finding the Fourth Proportional to 19,161.90, 26,436.08 and 14,138.11

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Solution

The fourth proportional to 19,161.90, 26,436.08 and 14,138.11 is: 19,505.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,161.90 : 26,436.08 = 14,138.11 : x
  2. Step 2: Convert to fraction form
    19,161.90/26,436.08 = 14,138.11/x
  3. Step 3: Cross multiply
    19,161.90x = 26,436.08 × 14,138.11
  4. Step 4: Simplify right side
    19,161.90x = 373,756,275.40
  5. Step 5: Solve for x
    x = 373,756,275.40/19,161.90
  6. Step 6: Final answer
    x = 19,505.18

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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.