Home / 14,743.16-20,345.37-8,028.71

Finding the Fourth Proportional to 14,743.16, 20,345.37 and 8,028.71

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Solution

The fourth proportional to 14,743.16, 20,345.37 and 8,028.71 is: 11,079.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,743.16 : 20,345.37 = 8,028.71 : x
  2. Step 2: Convert to fraction form
    14,743.16/20,345.37 = 8,028.71/x
  3. Step 3: Cross multiply
    14,743.16x = 20,345.37 × 8,028.71
  4. Step 4: Simplify right side
    14,743.16x = 163,347,075.57
  5. Step 5: Solve for x
    x = 163,347,075.57/14,743.16
  6. Step 6: Final answer
    x = 11,079.52

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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.