Home / 43,557.48-65,328.43-11,536.78

Finding the Fourth Proportional to 43,557.48, 65,328.43 and 11,536.78

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Solution

The fourth proportional to 43,557.48, 65,328.43 and 11,536.78 is: 17,303.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,557.48 : 65,328.43 = 11,536.78 : x
  2. Step 2: Convert to fraction form
    43,557.48/65,328.43 = 11,536.78/x
  3. Step 3: Cross multiply
    43,557.48x = 65,328.43 × 11,536.78
  4. Step 4: Simplify right side
    43,557.48x = 753,679,398.01
  5. Step 5: Solve for x
    x = 753,679,398.01/43,557.48
  6. Step 6: Final answer
    x = 17,303.10

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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.