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Finding the Fourth Proportional to 22,798.31, 31,460.84 and 14,305.01

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Solution

The fourth proportional to 22,798.31, 31,460.84 and 14,305.01 is: 19,740.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,798.31 : 31,460.84 = 14,305.01 : x
  2. Step 2: Convert to fraction form
    22,798.31/31,460.84 = 14,305.01/x
  3. Step 3: Cross multiply
    22,798.31x = 31,460.84 × 14,305.01
  4. Step 4: Simplify right side
    22,798.31x = 450,047,630.81
  5. Step 5: Solve for x
    x = 450,047,630.81/22,798.31
  6. Step 6: Final answer
    x = 19,740.39

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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.