Home / 35,457.19-53,188.68-11,763.78

Finding the Fourth Proportional to 35,457.19, 53,188.68 and 11,763.78

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Solution

The fourth proportional to 35,457.19, 53,188.68 and 11,763.78 is: 17,646.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,457.19 : 53,188.68 = 11,763.78 : x
  2. Step 2: Convert to fraction form
    35,457.19/53,188.68 = 11,763.78/x
  3. Step 3: Cross multiply
    35,457.19x = 53,188.68 × 11,763.78
  4. Step 4: Simplify right side
    35,457.19x = 625,699,974.60
  5. Step 5: Solve for x
    x = 625,699,974.60/35,457.19
  6. Step 6: Final answer
    x = 17,646.63

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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.