Home / 14,391.90-21,588.61-4,531.94

Finding the Fourth Proportional to 14,391.90, 21,588.61 and 4,531.94

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Solution

The fourth proportional to 14,391.90, 21,588.61 and 4,531.94 is: 6,798.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,391.90 : 21,588.61 = 4,531.94 : x
  2. Step 2: Convert to fraction form
    14,391.90/21,588.61 = 4,531.94/x
  3. Step 3: Cross multiply
    14,391.90x = 21,588.61 × 4,531.94
  4. Step 4: Simplify right side
    14,391.90x = 97,838,380.76
  5. Step 5: Solve for x
    x = 97,838,380.76/14,391.90
  6. Step 6: Final answer
    x = 6,798.16

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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.