Home / 21,591.34-29,795.95-12,031.33

Finding the Fourth Proportional to 21,591.34, 29,795.95 and 12,031.33

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Solution

The fourth proportional to 21,591.34, 29,795.95 and 12,031.33 is: 16,603.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,591.34 : 29,795.95 = 12,031.33 : x
  2. Step 2: Convert to fraction form
    21,591.34/29,795.95 = 12,031.33/x
  3. Step 3: Cross multiply
    21,591.34x = 29,795.95 × 12,031.33
  4. Step 4: Simplify right side
    21,591.34x = 358,484,907.11
  5. Step 5: Solve for x
    x = 358,484,907.11/21,591.34
  6. Step 6: Final answer
    x = 16,603.18

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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.