Home / 20,701.93-28,602.07-14,442.25

Finding the Fourth Proportional to 20,701.93, 28,602.07 and 14,442.25

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Solution

The fourth proportional to 20,701.93, 28,602.07 and 14,442.25 is: 19,953.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,701.93 : 28,602.07 = 14,442.25 : x
  2. Step 2: Convert to fraction form
    20,701.93/28,602.07 = 14,442.25/x
  3. Step 3: Cross multiply
    20,701.93x = 28,602.07 × 14,442.25
  4. Step 4: Simplify right side
    20,701.93x = 413,078,173.25
  5. Step 5: Solve for x
    x = 413,078,173.25/20,701.93
  6. Step 6: Final answer
    x = 19,953.61

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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.