Home / 18,366.60-25,347.40-10,409.32

Finding the Fourth Proportional to 18,366.60, 25,347.40 and 10,409.32

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Solution

The fourth proportional to 18,366.60, 25,347.40 and 10,409.32 is: 14,365.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,366.60 : 25,347.40 = 10,409.32 : x
  2. Step 2: Convert to fraction form
    18,366.60/25,347.40 = 10,409.32/x
  3. Step 3: Cross multiply
    18,366.60x = 25,347.40 × 10,409.32
  4. Step 4: Simplify right side
    18,366.60x = 263,849,197.77
  5. Step 5: Solve for x
    x = 263,849,197.77/18,366.60
  6. Step 6: Final answer
    x = 14,365.71

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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.