Home / 42,682.74-64,031.70-14,605.92

Finding the Fourth Proportional to 42,682.74, 64,031.70 and 14,605.92

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Solution

The fourth proportional to 42,682.74, 64,031.70 and 14,605.92 is: 21,911.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,682.74 : 64,031.70 = 14,605.92 : x
  2. Step 2: Convert to fraction form
    42,682.74/64,031.70 = 14,605.92/x
  3. Step 3: Cross multiply
    42,682.74x = 64,031.70 × 14,605.92
  4. Step 4: Simplify right side
    42,682.74x = 935,241,887.66
  5. Step 5: Solve for x
    x = 935,241,887.66/42,682.74
  6. Step 6: Final answer
    x = 21,911.48

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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.