Home / 14,300.16-19,732.16-8,012.80

Finding the Fourth Proportional to 14,300.16, 19,732.16 and 8,012.80

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Solution

The fourth proportional to 14,300.16, 19,732.16 and 8,012.80 is: 11,056.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,300.16 : 19,732.16 = 8,012.80 : x
  2. Step 2: Convert to fraction form
    14,300.16/19,732.16 = 8,012.80/x
  3. Step 3: Cross multiply
    14,300.16x = 19,732.16 × 8,012.80
  4. Step 4: Simplify right side
    14,300.16x = 158,109,851.65
  5. Step 5: Solve for x
    x = 158,109,851.65/14,300.16
  6. Step 6: Final answer
    x = 11,056.51

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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.