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Finding the Fourth Proportional to 19,325.40, 29,009.70 and 14,962.20

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Solution

The fourth proportional to 19,325.40, 29,009.70 and 14,962.20 is: 22,460.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,325.40 : 29,009.70 = 14,962.20 : x
  2. Step 2: Convert to fraction form
    19,325.40/29,009.70 = 14,962.20/x
  3. Step 3: Cross multiply
    19,325.40x = 29,009.70 × 14,962.20
  4. Step 4: Simplify right side
    19,325.40x = 434,048,933.34
  5. Step 5: Solve for x
    x = 434,048,933.34/19,325.40
  6. Step 6: Final answer
    x = 22,460.02

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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.