Home / 19,314.14-28,956.63-7,624.22

Finding the Fourth Proportional to 19,314.14, 28,956.63 and 7,624.22

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Solution

The fourth proportional to 19,314.14, 28,956.63 and 7,624.22 is: 11,430.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,314.14 : 28,956.63 = 7,624.22 : x
  2. Step 2: Convert to fraction form
    19,314.14/28,956.63 = 7,624.22/x
  3. Step 3: Cross multiply
    19,314.14x = 28,956.63 × 7,624.22
  4. Step 4: Simplify right side
    19,314.14x = 220,771,717.58
  5. Step 5: Solve for x
    x = 220,771,717.58/19,314.14
  6. Step 6: Final answer
    x = 11,430.57

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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.