Home / 21,618.24-32,411.54-14,580.74

Finding the Fourth Proportional to 21,618.24, 32,411.54 and 14,580.74

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Solution

The fourth proportional to 21,618.24, 32,411.54 and 14,580.74 is: 21,860.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,618.24 : 32,411.54 = 14,580.74 : x
  2. Step 2: Convert to fraction form
    21,618.24/32,411.54 = 14,580.74/x
  3. Step 3: Cross multiply
    21,618.24x = 32,411.54 × 14,580.74
  4. Step 4: Simplify right side
    21,618.24x = 472,584,237.74
  5. Step 5: Solve for x
    x = 472,584,237.74/21,618.24
  6. Step 6: Final answer
    x = 21,860.44

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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.