Home / 13,624.74-20,439.54-4,859.10

Finding the Fourth Proportional to 13,624.74, 20,439.54 and 4,859.10

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Solution

The fourth proportional to 13,624.74, 20,439.54 and 4,859.10 is: 7,289.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,624.74 : 20,439.54 = 4,859.10 : x
  2. Step 2: Convert to fraction form
    13,624.74/20,439.54 = 4,859.10/x
  3. Step 3: Cross multiply
    13,624.74x = 20,439.54 × 4,859.10
  4. Step 4: Simplify right side
    13,624.74x = 99,317,768.81
  5. Step 5: Solve for x
    x = 99,317,768.81/13,624.74
  6. Step 6: Final answer
    x = 7,289.52

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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.