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Finding the Fourth Proportional to 14,458.76, 19,955.22 and 9,154.07

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Solution

The fourth proportional to 14,458.76, 19,955.22 and 9,154.07 is: 12,633.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,458.76 : 19,955.22 = 9,154.07 : x
  2. Step 2: Convert to fraction form
    14,458.76/19,955.22 = 9,154.07/x
  3. Step 3: Cross multiply
    14,458.76x = 19,955.22 × 9,154.07
  4. Step 4: Simplify right side
    14,458.76x = 182,671,480.75
  5. Step 5: Solve for x
    x = 182,671,480.75/14,458.76
  6. Step 6: Final answer
    x = 12,633.97

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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.