Home / 18,569.45-25,630.73-11,501.80

Finding the Fourth Proportional to 18,569.45, 25,630.73 and 11,501.80

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Solution

The fourth proportional to 18,569.45, 25,630.73 and 11,501.80 is: 15,875.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,569.45 : 25,630.73 = 11,501.80 : x
  2. Step 2: Convert to fraction form
    18,569.45/25,630.73 = 11,501.80/x
  3. Step 3: Cross multiply
    18,569.45x = 25,630.73 × 11,501.80
  4. Step 4: Simplify right side
    18,569.45x = 294,799,451.86
  5. Step 5: Solve for x
    x = 294,799,451.86/18,569.45
  6. Step 6: Final answer
    x = 15,875.51

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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.