Home / 19,809.25-27,349.41-17,681.07

Finding the Fourth Proportional to 19,809.25, 27,349.41 and 17,681.07

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Solution

The fourth proportional to 19,809.25, 27,349.41 and 17,681.07 is: 24,411.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,809.25 : 27,349.41 = 17,681.07 : x
  2. Step 2: Convert to fraction form
    19,809.25/27,349.41 = 17,681.07/x
  3. Step 3: Cross multiply
    19,809.25x = 27,349.41 × 17,681.07
  4. Step 4: Simplify right side
    19,809.25x = 483,566,832.67
  5. Step 5: Solve for x
    x = 483,566,832.67/19,809.25
  6. Step 6: Final answer
    x = 24,411.16

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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.