Home / 35,685.15-53,527.73-18,189.15

Finding the Fourth Proportional to 35,685.15, 53,527.73 and 18,189.15

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Solution

The fourth proportional to 35,685.15, 53,527.73 and 18,189.15 is: 27,283.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,685.15 : 53,527.73 = 18,189.15 : x
  2. Step 2: Convert to fraction form
    35,685.15/53,527.73 = 18,189.15/x
  3. Step 3: Cross multiply
    35,685.15x = 53,527.73 × 18,189.15
  4. Step 4: Simplify right side
    35,685.15x = 973,623,819.18
  5. Step 5: Solve for x
    x = 973,623,819.18/35,685.15
  6. Step 6: Final answer
    x = 27,283.73

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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.