Home / 20,569.35-28,346.81-14,894.49

Finding the Fourth Proportional to 20,569.35, 28,346.81 and 14,894.49

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Solution

The fourth proportional to 20,569.35, 28,346.81 and 14,894.49 is: 20,526.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,569.35 : 28,346.81 = 14,894.49 : x
  2. Step 2: Convert to fraction form
    20,569.35/28,346.81 = 14,894.49/x
  3. Step 3: Cross multiply
    20,569.35x = 28,346.81 × 14,894.49
  4. Step 4: Simplify right side
    20,569.35x = 422,211,203.60
  5. Step 5: Solve for x
    x = 422,211,203.60/20,569.35
  6. Step 6: Final answer
    x = 20,526.23

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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.