Home / 19,360.17-29,058.08-11,979.05

Finding the Fourth Proportional to 19,360.17, 29,058.08 and 11,979.05

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Solution

The fourth proportional to 19,360.17, 29,058.08 and 11,979.05 is: 17,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360.17 : 29,058.08 = 11,979.05 : x
  2. Step 2: Convert to fraction form
    19,360.17/29,058.08 = 11,979.05/x
  3. Step 3: Cross multiply
    19,360.17x = 29,058.08 × 11,979.05
  4. Step 4: Simplify right side
    19,360.17x = 348,088,193.22
  5. Step 5: Solve for x
    x = 348,088,193.22/19,360.17
  6. Step 6: Final answer
    x = 17,979.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.