Home / 19,368.32-26,723.93-11,411.28

Finding the Fourth Proportional to 19,368.32, 26,723.93 and 11,411.28

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Solution

The fourth proportional to 19,368.32, 26,723.93 and 11,411.28 is: 15,745.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,368.32 : 26,723.93 = 11,411.28 : x
  2. Step 2: Convert to fraction form
    19,368.32/26,723.93 = 11,411.28/x
  3. Step 3: Cross multiply
    19,368.32x = 26,723.93 × 11,411.28
  4. Step 4: Simplify right side
    19,368.32x = 304,954,190.87
  5. Step 5: Solve for x
    x = 304,954,190.87/19,368.32
  6. Step 6: Final answer
    x = 15,745.00

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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.