Home / 18,746.12-28,123.88-5,598.45

Finding the Fourth Proportional to 18,746.12, 28,123.88 and 5,598.45

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Solution

The fourth proportional to 18,746.12, 28,123.88 and 5,598.45 is: 8,399.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,746.12 : 28,123.88 = 5,598.45 : x
  2. Step 2: Convert to fraction form
    18,746.12/28,123.88 = 5,598.45/x
  3. Step 3: Cross multiply
    18,746.12x = 28,123.88 × 5,598.45
  4. Step 4: Simplify right side
    18,746.12x = 157,450,107.99
  5. Step 5: Solve for x
    x = 157,450,107.99/18,746.12
  6. Step 6: Final answer
    x = 8,399.08

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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.