Home / 20,058.50-27,693.79-13,937.63

Finding the Fourth Proportional to 20,058.50, 27,693.79 and 13,937.63

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Solution

The fourth proportional to 20,058.50, 27,693.79 and 13,937.63 is: 19,243.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,058.50 : 27,693.79 = 13,937.63 : x
  2. Step 2: Convert to fraction form
    20,058.50/27,693.79 = 13,937.63/x
  3. Step 3: Cross multiply
    20,058.50x = 27,693.79 × 13,937.63
  4. Step 4: Simplify right side
    20,058.50x = 385,985,832.71
  5. Step 5: Solve for x
    x = 385,985,832.71/20,058.50
  6. Step 6: Final answer
    x = 19,243.00

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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.