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Finding the Fourth Proportional to 18,322.58, 25,296.53 and 14,065.50

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Solution

The fourth proportional to 18,322.58, 25,296.53 and 14,065.50 is: 19,419.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,322.58 : 25,296.53 = 14,065.50 : x
  2. Step 2: Convert to fraction form
    18,322.58/25,296.53 = 14,065.50/x
  3. Step 3: Cross multiply
    18,322.58x = 25,296.53 × 14,065.50
  4. Step 4: Simplify right side
    18,322.58x = 355,808,264.52
  5. Step 5: Solve for x
    x = 355,808,264.52/18,322.58
  6. Step 6: Final answer
    x = 19,419.11

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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.