Home / 19,158.36-26,439.30-11,600.40

Finding the Fourth Proportional to 19,158.36, 26,439.30 and 11,600.40

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Solution

The fourth proportional to 19,158.36, 26,439.30 and 11,600.40 is: 16,009.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,158.36 : 26,439.30 = 11,600.40 : x
  2. Step 2: Convert to fraction form
    19,158.36/26,439.30 = 11,600.40/x
  3. Step 3: Cross multiply
    19,158.36x = 26,439.30 × 11,600.40
  4. Step 4: Simplify right side
    19,158.36x = 306,706,455.72
  5. Step 5: Solve for x
    x = 306,706,455.72/19,158.36
  6. Step 6: Final answer
    x = 16,009.01

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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.