Home / 13,592.48-18,772.81-9,356.53

Finding the Fourth Proportional to 13,592.48, 18,772.81 and 9,356.53

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Solution

The fourth proportional to 13,592.48, 18,772.81 and 9,356.53 is: 12,922.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,592.48 : 18,772.81 = 9,356.53 : x
  2. Step 2: Convert to fraction form
    13,592.48/18,772.81 = 9,356.53/x
  3. Step 3: Cross multiply
    13,592.48x = 18,772.81 × 9,356.53
  4. Step 4: Simplify right side
    13,592.48x = 175,648,377.46
  5. Step 5: Solve for x
    x = 175,648,377.46/13,592.48
  6. Step 6: Final answer
    x = 12,922.47

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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.