Home / 19,623.36-27,001.20-19,156.80

Finding the Fourth Proportional to 19,623.36, 27,001.20 and 19,156.80

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Solution

The fourth proportional to 19,623.36, 27,001.20 and 19,156.80 is: 26,359.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,623.36 : 27,001.20 = 19,156.80 : x
  2. Step 2: Convert to fraction form
    19,623.36/27,001.20 = 19,156.80/x
  3. Step 3: Cross multiply
    19,623.36x = 27,001.20 × 19,156.80
  4. Step 4: Simplify right side
    19,623.36x = 517,256,588.16
  5. Step 5: Solve for x
    x = 517,256,588.16/19,623.36
  6. Step 6: Final answer
    x = 26,359.23

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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.