Home / 17,302.08-23,721.15-16,986.80

Finding the Fourth Proportional to 17,302.08, 23,721.15 and 16,986.80

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Solution

The fourth proportional to 17,302.08, 23,721.15 and 16,986.80 is: 23,288.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,302.08 : 23,721.15 = 16,986.80 : x
  2. Step 2: Convert to fraction form
    17,302.08/23,721.15 = 16,986.80/x
  3. Step 3: Cross multiply
    17,302.08x = 23,721.15 × 16,986.80
  4. Step 4: Simplify right side
    17,302.08x = 402,946,312.21
  5. Step 5: Solve for x
    x = 402,946,312.21/17,302.08
  6. Step 6: Final answer
    x = 23,288.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.