Home / 19,722.16-27,210.12-14,057.80

Finding the Fourth Proportional to 19,722.16, 27,210.12 and 14,057.80

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Solution

The fourth proportional to 19,722.16, 27,210.12 and 14,057.80 is: 19,395.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,722.16 : 27,210.12 = 14,057.80 : x
  2. Step 2: Convert to fraction form
    19,722.16/27,210.12 = 14,057.80/x
  3. Step 3: Cross multiply
    19,722.16x = 27,210.12 × 14,057.80
  4. Step 4: Simplify right side
    19,722.16x = 382,514,424.94
  5. Step 5: Solve for x
    x = 382,514,424.94/19,722.16
  6. Step 6: Final answer
    x = 19,395.16

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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.