Home / 19,248.46-28,867.59-7,561.78

Finding the Fourth Proportional to 19,248.46, 28,867.59 and 7,561.78

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Solution

The fourth proportional to 19,248.46, 28,867.59 and 7,561.78 is: 11,340.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,248.46 : 28,867.59 = 7,561.78 : x
  2. Step 2: Convert to fraction form
    19,248.46/28,867.59 = 7,561.78/x
  3. Step 3: Cross multiply
    19,248.46x = 28,867.59 × 7,561.78
  4. Step 4: Simplify right side
    19,248.46x = 218,290,364.71
  5. Step 5: Solve for x
    x = 218,290,364.71/19,248.46
  6. Step 6: Final answer
    x = 11,340.67

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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.