Home / 43,215.13-64,822.69-14,031.13

Finding the Fourth Proportional to 43,215.13, 64,822.69 and 14,031.13

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Solution

The fourth proportional to 43,215.13, 64,822.69 and 14,031.13 is: 21,046.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,215.13 : 64,822.69 = 14,031.13 : x
  2. Step 2: Convert to fraction form
    43,215.13/64,822.69 = 14,031.13/x
  3. Step 3: Cross multiply
    43,215.13x = 64,822.69 × 14,031.13
  4. Step 4: Simplify right side
    43,215.13x = 909,535,231.15
  5. Step 5: Solve for x
    x = 909,535,231.15/43,215.13
  6. Step 6: Final answer
    x = 21,046.69

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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.