Home / 19,088.64-28,633.74-5,237.64

Finding the Fourth Proportional to 19,088.64, 28,633.74 and 5,237.64

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Solution

The fourth proportional to 19,088.64, 28,633.74 and 5,237.64 is: 7,856.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,088.64 : 28,633.74 = 5,237.64 : x
  2. Step 2: Convert to fraction form
    19,088.64/28,633.74 = 5,237.64/x
  3. Step 3: Cross multiply
    19,088.64x = 28,633.74 × 5,237.64
  4. Step 4: Simplify right side
    19,088.64x = 149,973,221.97
  5. Step 5: Solve for x
    x = 149,973,221.97/19,088.64
  6. Step 6: Final answer
    x = 7,856.67

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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.