Home / 21,792.40-32,627.22-13,875.46

Finding the Fourth Proportional to 21,792.40, 32,627.22 and 13,875.46

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Solution

The fourth proportional to 21,792.40, 32,627.22 and 13,875.46 is: 20,774.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,792.40 : 32,627.22 = 13,875.46 : x
  2. Step 2: Convert to fraction form
    21,792.40/32,627.22 = 13,875.46/x
  3. Step 3: Cross multiply
    21,792.40x = 32,627.22 × 13,875.46
  4. Step 4: Simplify right side
    21,792.40x = 452,717,686.02
  5. Step 5: Solve for x
    x = 452,717,686.02/21,792.40
  6. Step 6: Final answer
    x = 20,774.11

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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.