Home / 13,836.20-19,094.13-7,548.57

Finding the Fourth Proportional to 13,836.20, 19,094.13 and 7,548.57

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Solution

The fourth proportional to 13,836.20, 19,094.13 and 7,548.57 is: 10,417.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836.20 : 19,094.13 = 7,548.57 : x
  2. Step 2: Convert to fraction form
    13,836.20/19,094.13 = 7,548.57/x
  3. Step 3: Cross multiply
    13,836.20x = 19,094.13 × 7,548.57
  4. Step 4: Simplify right side
    13,836.20x = 144,133,376.89
  5. Step 5: Solve for x
    x = 144,133,376.89/13,836.20
  6. Step 6: Final answer
    x = 10,417.13

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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.