Home / 18,864.99-26,036.91-10,912.05

Finding the Fourth Proportional to 18,864.99, 26,036.91 and 10,912.05

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Solution

The fourth proportional to 18,864.99, 26,036.91 and 10,912.05 is: 15,060.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864.99 : 26,036.91 = 10,912.05 : x
  2. Step 2: Convert to fraction form
    18,864.99/26,036.91 = 10,912.05/x
  3. Step 3: Cross multiply
    18,864.99x = 26,036.91 × 10,912.05
  4. Step 4: Simplify right side
    18,864.99x = 284,116,063.77
  5. Step 5: Solve for x
    x = 284,116,063.77/18,864.99
  6. Step 6: Final answer
    x = 15,060.49

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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.