Home / 14,853.51-20,497.84-8,139.24

Finding the Fourth Proportional to 14,853.51, 20,497.84 and 8,139.24

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Solution

The fourth proportional to 14,853.51, 20,497.84 and 8,139.24 is: 11,232.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,853.51 : 20,497.84 = 8,139.24 : x
  2. Step 2: Convert to fraction form
    14,853.51/20,497.84 = 8,139.24/x
  3. Step 3: Cross multiply
    14,853.51x = 20,497.84 × 8,139.24
  4. Step 4: Simplify right side
    14,853.51x = 166,836,818.89
  5. Step 5: Solve for x
    x = 166,836,818.89/14,853.51
  6. Step 6: Final answer
    x = 11,232.15

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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.