Home / 13,828.48-19,084.08-7,541.44

Finding the Fourth Proportional to 13,828.48, 19,084.08 and 7,541.44

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Solution

The fourth proportional to 13,828.48, 19,084.08 and 7,541.44 is: 10,407.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,828.48 : 19,084.08 = 7,541.44 : x
  2. Step 2: Convert to fraction form
    13,828.48/19,084.08 = 7,541.44/x
  3. Step 3: Cross multiply
    13,828.48x = 19,084.08 × 7,541.44
  4. Step 4: Simplify right side
    13,828.48x = 143,921,444.28
  5. Step 5: Solve for x
    x = 143,921,444.28/13,828.48
  6. Step 6: Final answer
    x = 10,407.61

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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.