Home / 13,031.94-19,548.59-9,916.83

Finding the Fourth Proportional to 13,031.94, 19,548.59 and 9,916.83

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Solution

The fourth proportional to 13,031.94, 19,548.59 and 9,916.83 is: 14,875.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031.94 : 19,548.59 = 9,916.83 : x
  2. Step 2: Convert to fraction form
    13,031.94/19,548.59 = 9,916.83/x
  3. Step 3: Cross multiply
    13,031.94x = 19,548.59 × 9,916.83
  4. Step 4: Simplify right side
    13,031.94x = 193,860,049.97
  5. Step 5: Solve for x
    x = 193,860,049.97/13,031.94
  6. Step 6: Final answer
    x = 14,875.77

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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.