Home / 35,835.12-53,768.18-13,655.16

Finding the Fourth Proportional to 35,835.12, 53,768.18 and 13,655.16

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Solution

The fourth proportional to 35,835.12, 53,768.18 and 13,655.16 is: 20,488.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,835.12 : 53,768.18 = 13,655.16 : x
  2. Step 2: Convert to fraction form
    35,835.12/53,768.18 = 13,655.16/x
  3. Step 3: Cross multiply
    35,835.12x = 53,768.18 × 13,655.16
  4. Step 4: Simplify right side
    35,835.12x = 734,213,100.81
  5. Step 5: Solve for x
    x = 734,213,100.81/35,835.12
  6. Step 6: Final answer
    x = 20,488.65

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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.