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Finding the Fourth Proportional to 14,969.10, 22,453.65 and 14,240.10

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Solution

The fourth proportional to 14,969.10, 22,453.65 and 14,240.10 is: 21,360.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,969.10 : 22,453.65 = 14,240.10 : x
  2. Step 2: Convert to fraction form
    14,969.10/22,453.65 = 14,240.10/x
  3. Step 3: Cross multiply
    14,969.10x = 22,453.65 × 14,240.10
  4. Step 4: Simplify right side
    14,969.10x = 319,742,221.37
  5. Step 5: Solve for x
    x = 319,742,221.37/14,969.10
  6. Step 6: Final answer
    x = 21,360.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.