Home / 19,879.55-27,434.00-10,927.06

Finding the Fourth Proportional to 19,879.55, 27,434.00 and 10,927.06

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Solution

The fourth proportional to 19,879.55, 27,434.00 and 10,927.06 is: 15,079.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,879.55 : 27,434.00 = 10,927.06 : x
  2. Step 2: Convert to fraction form
    19,879.55/27,434.00 = 10,927.06/x
  3. Step 3: Cross multiply
    19,879.55x = 27,434.00 × 10,927.06
  4. Step 4: Simplify right side
    19,879.55x = 299,772,922.77
  5. Step 5: Solve for x
    x = 299,772,922.77/19,879.55
  6. Step 6: Final answer
    x = 15,079.47

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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.