Home / 20,066.63-27,693.98-11,569.05

Finding the Fourth Proportional to 20,066.63, 27,693.98 and 11,569.05

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Solution

The fourth proportional to 20,066.63, 27,693.98 and 11,569.05 is: 15,966.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,066.63 : 27,693.98 = 11,569.05 : x
  2. Step 2: Convert to fraction form
    20,066.63/27,693.98 = 11,569.05/x
  3. Step 3: Cross multiply
    20,066.63x = 27,693.98 × 11,569.05
  4. Step 4: Simplify right side
    20,066.63x = 320,392,981.47
  5. Step 5: Solve for x
    x = 320,392,981.47/20,066.63
  6. Step 6: Final answer
    x = 15,966.46

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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.