Home / 19,599.19-27,058.10-12,904.28

Finding the Fourth Proportional to 19,599.19, 27,058.10 and 12,904.28

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Solution

The fourth proportional to 19,599.19, 27,058.10 and 12,904.28 is: 17,815.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,599.19 : 27,058.10 = 12,904.28 : x
  2. Step 2: Convert to fraction form
    19,599.19/27,058.10 = 12,904.28/x
  3. Step 3: Cross multiply
    19,599.19x = 27,058.10 × 12,904.28
  4. Step 4: Simplify right side
    19,599.19x = 349,165,398.57
  5. Step 5: Solve for x
    x = 349,165,398.57/19,599.19
  6. Step 6: Final answer
    x = 17,815.30

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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.