Home / 21,591.84-29,797.05-12,031.46

Finding the Fourth Proportional to 21,591.84, 29,797.05 and 12,031.46

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Solution

The fourth proportional to 21,591.84, 29,797.05 and 12,031.46 is: 16,603.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,591.84 : 29,797.05 = 12,031.46 : x
  2. Step 2: Convert to fraction form
    21,591.84/29,797.05 = 12,031.46/x
  3. Step 3: Cross multiply
    21,591.84x = 29,797.05 × 12,031.46
  4. Step 4: Simplify right side
    21,591.84x = 358,501,866.21
  5. Step 5: Solve for x
    x = 358,501,866.21/21,591.84
  6. Step 6: Final answer
    x = 16,603.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.