Home / 16,818.40-23,209.54-9,264.99

Finding the Fourth Proportional to 16,818.40, 23,209.54 and 9,264.99

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Solution

The fourth proportional to 16,818.40, 23,209.54 and 9,264.99 is: 12,785.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,818.40 : 23,209.54 = 9,264.99 : x
  2. Step 2: Convert to fraction form
    16,818.40/23,209.54 = 9,264.99/x
  3. Step 3: Cross multiply
    16,818.40x = 23,209.54 × 9,264.99
  4. Step 4: Simplify right side
    16,818.40x = 215,036,156.00
  5. Step 5: Solve for x
    x = 215,036,156.00/16,818.40
  6. Step 6: Final answer
    x = 12,785.77

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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.