Home / 21,031.44-29,023.47-11,599.98

Finding the Fourth Proportional to 21,031.44, 29,023.47 and 11,599.98

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Solution

The fourth proportional to 21,031.44, 29,023.47 and 11,599.98 is: 16,008.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,031.44 : 29,023.47 = 11,599.98 : x
  2. Step 2: Convert to fraction form
    21,031.44/29,023.47 = 11,599.98/x
  3. Step 3: Cross multiply
    21,031.44x = 29,023.47 × 11,599.98
  4. Step 4: Simplify right side
    21,031.44x = 336,671,671.53
  5. Step 5: Solve for x
    x = 336,671,671.53/21,031.44
  6. Step 6: Final answer
    x = 16,008.02

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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.