Home / 19,264.48-28,900.80-6,115.12

Finding the Fourth Proportional to 19,264.48, 28,900.80 and 6,115.12

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Solution

The fourth proportional to 19,264.48, 28,900.80 and 6,115.12 is: 9,173.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,264.48 : 28,900.80 = 6,115.12 : x
  2. Step 2: Convert to fraction form
    19,264.48/28,900.80 = 6,115.12/x
  3. Step 3: Cross multiply
    19,264.48x = 28,900.80 × 6,115.12
  4. Step 4: Simplify right side
    19,264.48x = 176,731,860.10
  5. Step 5: Solve for x
    x = 176,731,860.10/19,264.48
  6. Step 6: Final answer
    x = 9,173.98

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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.