Home / 19,409.28-29,096.64-9,015.36

Finding the Fourth Proportional to 19,409.28, 29,096.64 and 9,015.36

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Solution

The fourth proportional to 19,409.28, 29,096.64 and 9,015.36 is: 13,515.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,409.28 : 29,096.64 = 9,015.36 : x
  2. Step 2: Convert to fraction form
    19,409.28/29,096.64 = 9,015.36/x
  3. Step 3: Cross multiply
    19,409.28x = 29,096.64 × 9,015.36
  4. Step 4: Simplify right side
    19,409.28x = 262,316,684.39
  5. Step 5: Solve for x
    x = 262,316,684.39/19,409.28
  6. Step 6: Final answer
    x = 13,515.01

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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.