Home / 21,095.16-29,135.22-14,369.10

Finding the Fourth Proportional to 21,095.16, 29,135.22 and 14,369.10

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Solution

The fourth proportional to 21,095.16, 29,135.22 and 14,369.10 is: 19,845.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,095.16 : 29,135.22 = 14,369.10 : x
  2. Step 2: Convert to fraction form
    21,095.16/29,135.22 = 14,369.10/x
  3. Step 3: Cross multiply
    21,095.16x = 29,135.22 × 14,369.10
  4. Step 4: Simplify right side
    21,095.16x = 418,646,889.70
  5. Step 5: Solve for x
    x = 418,646,889.70/21,095.16
  6. Step 6: Final answer
    x = 19,845.64

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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.