Home / 13,881.36-19,156.60-7,594.20

Finding the Fourth Proportional to 13,881.36, 19,156.60 and 7,594.20

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Solution

The fourth proportional to 13,881.36, 19,156.60 and 7,594.20 is: 10,480.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,881.36 : 19,156.60 = 7,594.20 : x
  2. Step 2: Convert to fraction form
    13,881.36/19,156.60 = 7,594.20/x
  3. Step 3: Cross multiply
    13,881.36x = 19,156.60 × 7,594.20
  4. Step 4: Simplify right side
    13,881.36x = 145,479,051.72
  5. Step 5: Solve for x
    x = 145,479,051.72/13,881.36
  6. Step 6: Final answer
    x = 10,480.17

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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.