Home / 14,834.36-20,471.40-10,118.63

Finding the Fourth Proportional to 14,834.36, 20,471.40 and 10,118.63

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Solution

The fourth proportional to 14,834.36, 20,471.40 and 10,118.63 is: 13,963.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,834.36 : 20,471.40 = 10,118.63 : x
  2. Step 2: Convert to fraction form
    14,834.36/20,471.40 = 10,118.63/x
  3. Step 3: Cross multiply
    14,834.36x = 20,471.40 × 10,118.63
  4. Step 4: Simplify right side
    14,834.36x = 207,142,419.83
  5. Step 5: Solve for x
    x = 207,142,419.83/14,834.36
  6. Step 6: Final answer
    x = 13,963.70

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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.