Home / 16,721.15-23,075.92-10,005.49

Finding the Fourth Proportional to 16,721.15, 23,075.92 and 10,005.49

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Solution

The fourth proportional to 16,721.15, 23,075.92 and 10,005.49 is: 13,808.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721.15 : 23,075.92 = 10,005.49 : x
  2. Step 2: Convert to fraction form
    16,721.15/23,075.92 = 10,005.49/x
  3. Step 3: Cross multiply
    16,721.15x = 23,075.92 × 10,005.49
  4. Step 4: Simplify right side
    16,721.15x = 230,885,871.87
  5. Step 5: Solve for x
    x = 230,885,871.87/16,721.15
  6. Step 6: Final answer
    x = 13,808.01

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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.