Home / 17,816.14-24,529.98-15,690.21

Finding the Fourth Proportional to 17,816.14, 24,529.98 and 15,690.21

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Solution

The fourth proportional to 17,816.14, 24,529.98 and 15,690.21 is: 21,602.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,816.14 : 24,529.98 = 15,690.21 : x
  2. Step 2: Convert to fraction form
    17,816.14/24,529.98 = 15,690.21/x
  3. Step 3: Cross multiply
    17,816.14x = 24,529.98 × 15,690.21
  4. Step 4: Simplify right side
    17,816.14x = 384,880,537.50
  5. Step 5: Solve for x
    x = 384,880,537.50/17,816.14
  6. Step 6: Final answer
    x = 21,602.91

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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.