Home / 19,109.52-26,371-10,611.60

Finding the Fourth Proportional to 19,109.52, 26,371 and 10,611.60

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Solution

The fourth proportional to 19,109.52, 26,371 and 10,611.60 is: 14,643.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,109.52 : 26,371 = 10,611.60 : x
  2. Step 2: Convert to fraction form
    19,109.52/26,371 = 10,611.60/x
  3. Step 3: Cross multiply
    19,109.52x = 26,371 × 10,611.60
  4. Step 4: Simplify right side
    19,109.52x = 279,838,503.60
  5. Step 5: Solve for x
    x = 279,838,503.60/19,109.52
  6. Step 6: Final answer
    x = 14,643.93

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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.