Home / 19,381.29-26,743.95-10,881.56

Finding the Fourth Proportional to 19,381.29, 26,743.95 and 10,881.56

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Solution

The fourth proportional to 19,381.29, 26,743.95 and 10,881.56 is: 15,015.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,381.29 : 26,743.95 = 10,881.56 : x
  2. Step 2: Convert to fraction form
    19,381.29/26,743.95 = 10,881.56/x
  3. Step 3: Cross multiply
    19,381.29x = 26,743.95 × 10,881.56
  4. Step 4: Simplify right side
    19,381.29x = 291,015,762.84
  5. Step 5: Solve for x
    x = 291,015,762.84/19,381.29
  6. Step 6: Final answer
    x = 15,015.29

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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.