Home / 20,023.89-27,632.66-12,070.50

Finding the Fourth Proportional to 20,023.89, 27,632.66 and 12,070.50

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Solution

The fourth proportional to 20,023.89, 27,632.66 and 12,070.50 is: 16,657.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.89 : 27,632.66 = 12,070.50 : x
  2. Step 2: Convert to fraction form
    20,023.89/27,632.66 = 12,070.50/x
  3. Step 3: Cross multiply
    20,023.89x = 27,632.66 × 12,070.50
  4. Step 4: Simplify right side
    20,023.89x = 333,539,962.18
  5. Step 5: Solve for x
    x = 333,539,962.18/20,023.89
  6. Step 6: Final answer
    x = 16,657.10

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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.