Home / 15,961.95-22,031.36-9,246.49

Finding the Fourth Proportional to 15,961.95, 22,031.36 and 9,246.49

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Solution

The fourth proportional to 15,961.95, 22,031.36 and 9,246.49 is: 12,762.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,961.95 : 22,031.36 = 9,246.49 : x
  2. Step 2: Convert to fraction form
    15,961.95/22,031.36 = 9,246.49/x
  3. Step 3: Cross multiply
    15,961.95x = 22,031.36 × 9,246.49
  4. Step 4: Simplify right side
    15,961.95x = 203,712,749.93
  5. Step 5: Solve for x
    x = 203,712,749.93/15,961.95
  6. Step 6: Final answer
    x = 12,762.40

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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.