Home / 35,622.29-53,436.20-11,929.92

Finding the Fourth Proportional to 35,622.29, 53,436.20 and 11,929.92

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Solution

The fourth proportional to 35,622.29, 53,436.20 and 11,929.92 is: 17,895.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,622.29 : 53,436.20 = 11,929.92 : x
  2. Step 2: Convert to fraction form
    35,622.29/53,436.20 = 11,929.92/x
  3. Step 3: Cross multiply
    35,622.29x = 53,436.20 × 11,929.92
  4. Step 4: Simplify right side
    35,622.29x = 637,489,591.10
  5. Step 5: Solve for x
    x = 637,489,591.10/35,622.29
  6. Step 6: Final answer
    x = 17,895.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.