Home / 16,319.70-22,515.74-11,282.10

Finding the Fourth Proportional to 16,319.70, 22,515.74 and 11,282.10

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Solution

The fourth proportional to 16,319.70, 22,515.74 and 11,282.10 is: 15,565.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,319.70 : 22,515.74 = 11,282.10 : x
  2. Step 2: Convert to fraction form
    16,319.70/22,515.74 = 11,282.10/x
  3. Step 3: Cross multiply
    16,319.70x = 22,515.74 × 11,282.10
  4. Step 4: Simplify right side
    16,319.70x = 254,024,830.25
  5. Step 5: Solve for x
    x = 254,024,830.25/16,319.70
  6. Step 6: Final answer
    x = 15,565.53

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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.