Home / 21,636.65-29,838.56-16,601.08

Finding the Fourth Proportional to 21,636.65, 29,838.56 and 16,601.08

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Solution

The fourth proportional to 21,636.65, 29,838.56 and 16,601.08 is: 22,894.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,636.65 : 29,838.56 = 16,601.08 : x
  2. Step 2: Convert to fraction form
    21,636.65/29,838.56 = 16,601.08/x
  3. Step 3: Cross multiply
    21,636.65x = 29,838.56 × 16,601.08
  4. Step 4: Simplify right side
    21,636.65x = 495,352,321.64
  5. Step 5: Solve for x
    x = 495,352,321.64/21,636.65
  6. Step 6: Final answer
    x = 22,894.13

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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.