Home / 13,158.08-19,715.24-9,254.28

Finding the Fourth Proportional to 13,158.08, 19,715.24 and 9,254.28

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Solution

The fourth proportional to 13,158.08, 19,715.24 and 9,254.28 is: 13,866.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,158.08 : 19,715.24 = 9,254.28 : x
  2. Step 2: Convert to fraction form
    13,158.08/19,715.24 = 9,254.28/x
  3. Step 3: Cross multiply
    13,158.08x = 19,715.24 × 9,254.28
  4. Step 4: Simplify right side
    13,158.08x = 182,450,304.96
  5. Step 5: Solve for x
    x = 182,450,304.96/13,158.08
  6. Step 6: Final answer
    x = 13,866.03

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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.