Home / 20,026.17-27,636.86-12,952.60

Finding the Fourth Proportional to 20,026.17, 27,636.86 and 12,952.60

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Solution

The fourth proportional to 20,026.17, 27,636.86 and 12,952.60 is: 17,875.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,026.17 : 27,636.86 = 12,952.60 : x
  2. Step 2: Convert to fraction form
    20,026.17/27,636.86 = 12,952.60/x
  3. Step 3: Cross multiply
    20,026.17x = 27,636.86 × 12,952.60
  4. Step 4: Simplify right side
    20,026.17x = 357,969,192.84
  5. Step 5: Solve for x
    x = 357,969,192.84/20,026.17
  6. Step 6: Final answer
    x = 17,875.07

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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.