Home / 13,905.50-19,189.62-7,532.16

Finding the Fourth Proportional to 13,905.50, 19,189.62 and 7,532.16

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Solution

The fourth proportional to 13,905.50, 19,189.62 and 7,532.16 is: 10,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,905.50 : 19,189.62 = 7,532.16 : x
  2. Step 2: Convert to fraction form
    13,905.50/19,189.62 = 7,532.16/x
  3. Step 3: Cross multiply
    13,905.50x = 19,189.62 × 7,532.16
  4. Step 4: Simplify right side
    13,905.50x = 144,539,341.06
  5. Step 5: Solve for x
    x = 144,539,341.06/13,905.50
  6. Step 6: Final answer
    x = 10,394.40

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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.