Home / 16,721.99-23,077.08-10,006.34

Finding the Fourth Proportional to 16,721.99, 23,077.08 and 10,006.34

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Solution

The fourth proportional to 16,721.99, 23,077.08 and 10,006.34 is: 13,809.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721.99 : 23,077.08 = 10,006.34 : x
  2. Step 2: Convert to fraction form
    16,721.99/23,077.08 = 10,006.34/x
  3. Step 3: Cross multiply
    16,721.99x = 23,077.08 × 10,006.34
  4. Step 4: Simplify right side
    16,721.99x = 230,916,965.16
  5. Step 5: Solve for x
    x = 230,916,965.16/16,721.99
  6. Step 6: Final answer
    x = 13,809.18

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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.