Home / 19,543.56-29,316.60-7,855.26

Finding the Fourth Proportional to 19,543.56, 29,316.60 and 7,855.26

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Solution

The fourth proportional to 19,543.56, 29,316.60 and 7,855.26 is: 11,783.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,543.56 : 29,316.60 = 7,855.26 : x
  2. Step 2: Convert to fraction form
    19,543.56/29,316.60 = 7,855.26/x
  3. Step 3: Cross multiply
    19,543.56x = 29,316.60 × 7,855.26
  4. Step 4: Simplify right side
    19,543.56x = 230,289,515.32
  5. Step 5: Solve for x
    x = 230,289,515.32/19,543.56
  6. Step 6: Final answer
    x = 11,783.40

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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.