Home / 15,852.60-21,887.28-14,168.61

Finding the Fourth Proportional to 15,852.60, 21,887.28 and 14,168.61

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Solution

The fourth proportional to 15,852.60, 21,887.28 and 14,168.61 is: 19,562.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,852.60 : 21,887.28 = 14,168.61 : x
  2. Step 2: Convert to fraction form
    15,852.60/21,887.28 = 14,168.61/x
  3. Step 3: Cross multiply
    15,852.60x = 21,887.28 × 14,168.61
  4. Step 4: Simplify right side
    15,852.60x = 310,112,334.28
  5. Step 5: Solve for x
    x = 310,112,334.28/15,852.60
  6. Step 6: Final answer
    x = 19,562.24

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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.