Home / 15,955.36-23,935.64-5,426.32

Finding the Fourth Proportional to 15,955.36, 23,935.64 and 5,426.32

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Solution

The fourth proportional to 15,955.36, 23,935.64 and 5,426.32 is: 8,140.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,955.36 : 23,935.64 = 5,426.32 : x
  2. Step 2: Convert to fraction form
    15,955.36/23,935.64 = 5,426.32/x
  3. Step 3: Cross multiply
    15,955.36x = 23,935.64 × 5,426.32
  4. Step 4: Simplify right side
    15,955.36x = 129,882,442.04
  5. Step 5: Solve for x
    x = 129,882,442.04/15,955.36
  6. Step 6: Final answer
    x = 8,140.36

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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.