Home / 21,625.36-29,844.63-12,068.32

Finding the Fourth Proportional to 21,625.36, 29,844.63 and 12,068.32

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Solution

The fourth proportional to 21,625.36, 29,844.63 and 12,068.32 is: 16,655.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,625.36 : 29,844.63 = 12,068.32 : x
  2. Step 2: Convert to fraction form
    21,625.36/29,844.63 = 12,068.32/x
  3. Step 3: Cross multiply
    21,625.36x = 29,844.63 × 12,068.32
  4. Step 4: Simplify right side
    21,625.36x = 360,174,545.12
  5. Step 5: Solve for x
    x = 360,174,545.12/21,625.36
  6. Step 6: Final answer
    x = 16,655.19

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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.