Home / 13,552.90-18,702.33-7,584.58

Finding the Fourth Proportional to 13,552.90, 18,702.33 and 7,584.58

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Solution

The fourth proportional to 13,552.90, 18,702.33 and 7,584.58 is: 10,466.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,552.90 : 18,702.33 = 7,584.58 : x
  2. Step 2: Convert to fraction form
    13,552.90/18,702.33 = 7,584.58/x
  3. Step 3: Cross multiply
    13,552.90x = 18,702.33 × 7,584.58
  4. Step 4: Simplify right side
    13,552.90x = 141,849,318.07
  5. Step 5: Solve for x
    x = 141,849,318.07/13,552.90
  6. Step 6: Final answer
    x = 10,466.34

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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.