Home / 45,564.99-68,349.56-13,972.74

Finding the Fourth Proportional to 45,564.99, 68,349.56 and 13,972.74

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Solution

The fourth proportional to 45,564.99, 68,349.56 and 13,972.74 is: 20,959.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,564.99 : 68,349.56 = 13,972.74 : x
  2. Step 2: Convert to fraction form
    45,564.99/68,349.56 = 13,972.74/x
  3. Step 3: Cross multiply
    45,564.99x = 68,349.56 × 13,972.74
  4. Step 4: Simplify right side
    45,564.99x = 955,030,561.13
  5. Step 5: Solve for x
    x = 955,030,561.13/45,564.99
  6. Step 6: Final answer
    x = 20,959.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.