Home / 19,712.16-27,196.32-14,047.80

Finding the Fourth Proportional to 19,712.16, 27,196.32 and 14,047.80

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Solution

The fourth proportional to 19,712.16, 27,196.32 and 14,047.80 is: 19,381.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,712.16 : 27,196.32 = 14,047.80 : x
  2. Step 2: Convert to fraction form
    19,712.16/27,196.32 = 14,047.80/x
  3. Step 3: Cross multiply
    19,712.16x = 27,196.32 × 14,047.80
  4. Step 4: Simplify right side
    19,712.16x = 382,048,464.10
  5. Step 5: Solve for x
    x = 382,048,464.10/19,712.16
  6. Step 6: Final answer
    x = 19,381.36

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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.