Home / 19,937.91-27,506.48-17,420.13

Finding the Fourth Proportional to 19,937.91, 27,506.48 and 17,420.13

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Solution

The fourth proportional to 19,937.91, 27,506.48 and 17,420.13 is: 24,032.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,937.91 : 27,506.48 = 17,420.13 : x
  2. Step 2: Convert to fraction form
    19,937.91/27,506.48 = 17,420.13/x
  3. Step 3: Cross multiply
    19,937.91x = 27,506.48 × 17,420.13
  4. Step 4: Simplify right side
    19,937.91x = 479,166,457.44
  5. Step 5: Solve for x
    x = 479,166,457.44/19,937.91
  6. Step 6: Final answer
    x = 24,032.93

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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.