Home / 14,861.07-20,509.19-8,573.45

Finding the Fourth Proportional to 14,861.07, 20,509.19 and 8,573.45

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Solution

The fourth proportional to 14,861.07, 20,509.19 and 8,573.45 is: 11,831.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,861.07 : 20,509.19 = 8,573.45 : x
  2. Step 2: Convert to fraction form
    14,861.07/20,509.19 = 8,573.45/x
  3. Step 3: Cross multiply
    14,861.07x = 20,509.19 × 8,573.45
  4. Step 4: Simplify right side
    14,861.07x = 175,834,369.59
  5. Step 5: Solve for x
    x = 175,834,369.59/14,861.07
  6. Step 6: Final answer
    x = 11,831.88

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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.