Home / 13,495.12-18,623.36-7,527.17

Finding the Fourth Proportional to 13,495.12, 18,623.36 and 7,527.17

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Solution

The fourth proportional to 13,495.12, 18,623.36 and 7,527.17 is: 10,387.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,495.12 : 18,623.36 = 7,527.17 : x
  2. Step 2: Convert to fraction form
    13,495.12/18,623.36 = 7,527.17/x
  3. Step 3: Cross multiply
    13,495.12x = 18,623.36 × 7,527.17
  4. Step 4: Simplify right side
    13,495.12x = 140,181,262.07
  5. Step 5: Solve for x
    x = 140,181,262.07/13,495.12
  6. Step 6: Final answer
    x = 10,387.55

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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.