Home / 19,258.83-28,890.67-6,611.05

Finding the Fourth Proportional to 19,258.83, 28,890.67 and 6,611.05

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Solution

The fourth proportional to 19,258.83, 28,890.67 and 6,611.05 is: 9,917.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,258.83 : 28,890.67 = 6,611.05 : x
  2. Step 2: Convert to fraction form
    19,258.83/28,890.67 = 6,611.05/x
  3. Step 3: Cross multiply
    19,258.83x = 28,890.67 × 6,611.05
  4. Step 4: Simplify right side
    19,258.83x = 190,997,666.51
  5. Step 5: Solve for x
    x = 190,997,666.51/19,258.83
  6. Step 6: Final answer
    x = 9,917.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.