Home / 15,124.72-22,688.16-4,031.35

Finding the Fourth Proportional to 15,124.72, 22,688.16 and 4,031.35

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Solution

The fourth proportional to 15,124.72, 22,688.16 and 4,031.35 is: 6,047.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,124.72 : 22,688.16 = 4,031.35 : x
  2. Step 2: Convert to fraction form
    15,124.72/22,688.16 = 4,031.35/x
  3. Step 3: Cross multiply
    15,124.72x = 22,688.16 × 4,031.35
  4. Step 4: Simplify right side
    15,124.72x = 91,463,841.98
  5. Step 5: Solve for x
    x = 91,463,841.98/15,124.72
  6. Step 6: Final answer
    x = 6,047.31

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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.