Home / 16,953.28-23,403.36-9,877.12

Finding the Fourth Proportional to 16,953.28, 23,403.36 and 9,877.12

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Solution

The fourth proportional to 16,953.28, 23,403.36 and 9,877.12 is: 13,634.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,953.28 : 23,403.36 = 9,877.12 : x
  2. Step 2: Convert to fraction form
    16,953.28/23,403.36 = 9,877.12/x
  3. Step 3: Cross multiply
    16,953.28x = 23,403.36 × 9,877.12
  4. Step 4: Simplify right side
    16,953.28x = 231,157,795.12
  5. Step 5: Solve for x
    x = 231,157,795.12/16,953.28
  6. Step 6: Final answer
    x = 13,634.99

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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.