Home / 19,912.15-27,393.75-19,358.52

Finding the Fourth Proportional to 19,912.15, 27,393.75 and 19,358.52

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Solution

The fourth proportional to 19,912.15, 27,393.75 and 19,358.52 is: 26,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,912.15 : 27,393.75 = 19,358.52 : x
  2. Step 2: Convert to fraction form
    19,912.15/27,393.75 = 19,358.52/x
  3. Step 3: Cross multiply
    19,912.15x = 27,393.75 × 19,358.52
  4. Step 4: Simplify right side
    19,912.15x = 530,302,457.25
  5. Step 5: Solve for x
    x = 530,302,457.25/19,912.15
  6. Step 6: Final answer
    x = 26,632.10

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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.