Home / 14,189.04-19,582.56-8,141.45

Finding the Fourth Proportional to 14,189.04, 19,582.56 and 8,141.45

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Solution

The fourth proportional to 14,189.04, 19,582.56 and 8,141.45 is: 11,236.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,189.04 : 19,582.56 = 8,141.45 : x
  2. Step 2: Convert to fraction form
    14,189.04/19,582.56 = 8,141.45/x
  3. Step 3: Cross multiply
    14,189.04x = 19,582.56 × 8,141.45
  4. Step 4: Simplify right side
    14,189.04x = 159,430,335.20
  5. Step 5: Solve for x
    x = 159,430,335.20/14,189.04
  6. Step 6: Final answer
    x = 11,236.16

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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.