Home / 19,148.54-28,718.37-7,303.64

Finding the Fourth Proportional to 19,148.54, 28,718.37 and 7,303.64

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Solution

The fourth proportional to 19,148.54, 28,718.37 and 7,303.64 is: 10,953.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,148.54 : 28,718.37 = 7,303.64 : x
  2. Step 2: Convert to fraction form
    19,148.54/28,718.37 = 7,303.64/x
  3. Step 3: Cross multiply
    19,148.54x = 28,718.37 × 7,303.64
  4. Step 4: Simplify right side
    19,148.54x = 209,748,492.27
  5. Step 5: Solve for x
    x = 209,748,492.27/19,148.54
  6. Step 6: Final answer
    x = 10,953.76

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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.