Home / 24,015.16-33,140.37-13,405.78

Finding the Fourth Proportional to 24,015.16, 33,140.37 and 13,405.78

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Solution

The fourth proportional to 24,015.16, 33,140.37 and 13,405.78 is: 18,499.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,015.16 : 33,140.37 = 13,405.78 : x
  2. Step 2: Convert to fraction form
    24,015.16/33,140.37 = 13,405.78/x
  3. Step 3: Cross multiply
    24,015.16x = 33,140.37 × 13,405.78
  4. Step 4: Simplify right side
    24,015.16x = 444,272,509.34
  5. Step 5: Solve for x
    x = 444,272,509.34/24,015.16
  6. Step 6: Final answer
    x = 18,499.67

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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.