Home / 21,370.66-29,468.85-14,666.08

Finding the Fourth Proportional to 21,370.66, 29,468.85 and 14,666.08

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Solution

The fourth proportional to 21,370.66, 29,468.85 and 14,666.08 is: 20,223.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,370.66 : 29,468.85 = 14,666.08 : x
  2. Step 2: Convert to fraction form
    21,370.66/29,468.85 = 14,666.08/x
  3. Step 3: Cross multiply
    21,370.66x = 29,468.85 × 14,666.08
  4. Step 4: Simplify right side
    21,370.66x = 432,192,511.61
  5. Step 5: Solve for x
    x = 432,192,511.61/21,370.66
  6. Step 6: Final answer
    x = 20,223.64

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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.