Home / 20,848.48-28,732.98-16,469.08

Finding the Fourth Proportional to 20,848.48, 28,732.98 and 16,469.08

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Solution

The fourth proportional to 20,848.48, 28,732.98 and 16,469.08 is: 22,697.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,848.48 : 28,732.98 = 16,469.08 : x
  2. Step 2: Convert to fraction form
    20,848.48/28,732.98 = 16,469.08/x
  3. Step 3: Cross multiply
    20,848.48x = 28,732.98 × 16,469.08
  4. Step 4: Simplify right side
    20,848.48x = 473,205,746.26
  5. Step 5: Solve for x
    x = 473,205,746.26/20,848.48
  6. Step 6: Final answer
    x = 22,697.37

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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.