Home / 18,557.48-27,829.73-8,701.40

Finding the Fourth Proportional to 18,557.48, 27,829.73 and 8,701.40

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Solution

The fourth proportional to 18,557.48, 27,829.73 and 8,701.40 is: 13,049.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,557.48 : 27,829.73 = 8,701.40 : x
  2. Step 2: Convert to fraction form
    18,557.48/27,829.73 = 8,701.40/x
  3. Step 3: Cross multiply
    18,557.48x = 27,829.73 × 8,701.40
  4. Step 4: Simplify right side
    18,557.48x = 242,157,495.23
  5. Step 5: Solve for x
    x = 242,157,495.23/18,557.48
  6. Step 6: Final answer
    x = 13,049.05

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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.