Home / 13,523.76-18,661.01-7,554.47

Finding the Fourth Proportional to 13,523.76, 18,661.01 and 7,554.47

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Solution

The fourth proportional to 13,523.76, 18,661.01 and 7,554.47 is: 10,424.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,523.76 : 18,661.01 = 7,554.47 : x
  2. Step 2: Convert to fraction form
    13,523.76/18,661.01 = 7,554.47/x
  3. Step 3: Cross multiply
    13,523.76x = 18,661.01 × 7,554.47
  4. Step 4: Simplify right side
    13,523.76x = 140,973,909.14
  5. Step 5: Solve for x
    x = 140,973,909.14/13,523.76
  6. Step 6: Final answer
    x = 10,424.17

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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.