Home / 28,396.48-42,595.41-13,589.14

Finding the Fourth Proportional to 28,396.48, 42,595.41 and 13,589.14

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Solution

The fourth proportional to 28,396.48, 42,595.41 and 13,589.14 is: 20,384.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,396.48 : 42,595.41 = 13,589.14 : x
  2. Step 2: Convert to fraction form
    28,396.48/42,595.41 = 13,589.14/x
  3. Step 3: Cross multiply
    28,396.48x = 42,595.41 × 13,589.14
  4. Step 4: Simplify right side
    28,396.48x = 578,834,934.32
  5. Step 5: Solve for x
    x = 578,834,934.32/28,396.48
  6. Step 6: Final answer
    x = 20,384.04

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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.