Home / 18,281.40-27,436.66-6,602.76

Finding the Fourth Proportional to 18,281.40, 27,436.66 and 6,602.76

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Solution

The fourth proportional to 18,281.40, 27,436.66 and 6,602.76 is: 9,909.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,281.40 : 27,436.66 = 6,602.76 : x
  2. Step 2: Convert to fraction form
    18,281.40/27,436.66 = 6,602.76/x
  3. Step 3: Cross multiply
    18,281.40x = 27,436.66 × 6,602.76
  4. Step 4: Simplify right side
    18,281.40x = 181,157,681.18
  5. Step 5: Solve for x
    x = 181,157,681.18/18,281.40
  6. Step 6: Final answer
    x = 9,909.40

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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.