Home / 18,857.36-26,079.54-16,495.40

Finding the Fourth Proportional to 18,857.36, 26,079.54 and 16,495.40

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Solution

The fourth proportional to 18,857.36, 26,079.54 and 16,495.40 is: 22,812.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,857.36 : 26,079.54 = 16,495.40 : x
  2. Step 2: Convert to fraction form
    18,857.36/26,079.54 = 16,495.40/x
  3. Step 3: Cross multiply
    18,857.36x = 26,079.54 × 16,495.40
  4. Step 4: Simplify right side
    18,857.36x = 430,192,444.12
  5. Step 5: Solve for x
    x = 430,192,444.12/18,857.36
  6. Step 6: Final answer
    x = 22,812.97

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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.