Home / 15,369.81-23,025.15-9,429.36

Finding the Fourth Proportional to 15,369.81, 23,025.15 and 9,429.36

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Solution

The fourth proportional to 15,369.81, 23,025.15 and 9,429.36 is: 14,125.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,369.81 : 23,025.15 = 9,429.36 : x
  2. Step 2: Convert to fraction form
    15,369.81/23,025.15 = 9,429.36/x
  3. Step 3: Cross multiply
    15,369.81x = 23,025.15 × 9,429.36
  4. Step 4: Simplify right side
    15,369.81x = 217,112,428.40
  5. Step 5: Solve for x
    x = 217,112,428.40/15,369.81
  6. Step 6: Final answer
    x = 14,125.90

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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.