Home / 15,766.60-21,770.60-10,741.36

Finding the Fourth Proportional to 15,766.60, 21,770.60 and 10,741.36

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Solution

The fourth proportional to 15,766.60, 21,770.60 and 10,741.36 is: 14,831.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,766.60 : 21,770.60 = 10,741.36 : x
  2. Step 2: Convert to fraction form
    15,766.60/21,770.60 = 10,741.36/x
  3. Step 3: Cross multiply
    15,766.60x = 21,770.60 × 10,741.36
  4. Step 4: Simplify right side
    15,766.60x = 233,845,852.02
  5. Step 5: Solve for x
    x = 233,845,852.02/15,766.60
  6. Step 6: Final answer
    x = 14,831.72

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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.