Home / 21,591.36-29,795.59-12,031.24

Finding the Fourth Proportional to 21,591.36, 29,795.59 and 12,031.24

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Solution

The fourth proportional to 21,591.36, 29,795.59 and 12,031.24 is: 16,602.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,591.36 : 29,795.59 = 12,031.24 : x
  2. Step 2: Convert to fraction form
    21,591.36/29,795.59 = 12,031.24/x
  3. Step 3: Cross multiply
    21,591.36x = 29,795.59 × 12,031.24
  4. Step 4: Simplify right side
    21,591.36x = 358,477,894.23
  5. Step 5: Solve for x
    x = 358,477,894.23/21,591.36
  6. Step 6: Final answer
    x = 16,602.84

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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.