Home / 21,632.91-29,866.93-16,587.43

Finding the Fourth Proportional to 21,632.91, 29,866.93 and 16,587.43

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Solution

The fourth proportional to 21,632.91, 29,866.93 and 16,587.43 is: 22,901.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,632.91 : 29,866.93 = 16,587.43 : x
  2. Step 2: Convert to fraction form
    21,632.91/29,866.93 = 16,587.43/x
  3. Step 3: Cross multiply
    21,632.91x = 29,866.93 × 16,587.43
  4. Step 4: Simplify right side
    21,632.91x = 495,415,494.55
  5. Step 5: Solve for x
    x = 495,415,494.55/21,632.91
  6. Step 6: Final answer
    x = 22,901.01

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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.