Home / 13,842.54-19,102.59-7,554.90

Finding the Fourth Proportional to 13,842.54, 19,102.59 and 7,554.90

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Solution

The fourth proportional to 13,842.54, 19,102.59 and 7,554.90 is: 10,425.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,842.54 : 19,102.59 = 7,554.90 : x
  2. Step 2: Convert to fraction form
    13,842.54/19,102.59 = 7,554.90/x
  3. Step 3: Cross multiply
    13,842.54x = 19,102.59 × 7,554.90
  4. Step 4: Simplify right side
    13,842.54x = 144,318,157.19
  5. Step 5: Solve for x
    x = 144,318,157.19/13,842.54
  6. Step 6: Final answer
    x = 10,425.70

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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.