Home / 19,253.12-28,880.70-6,106.51

Finding the Fourth Proportional to 19,253.12, 28,880.70 and 6,106.51

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Solution

The fourth proportional to 19,253.12, 28,880.70 and 6,106.51 is: 9,160.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,253.12 : 28,880.70 = 6,106.51 : x
  2. Step 2: Convert to fraction form
    19,253.12/28,880.70 = 6,106.51/x
  3. Step 3: Cross multiply
    19,253.12x = 28,880.70 × 6,106.51
  4. Step 4: Simplify right side
    19,253.12x = 176,360,211.16
  5. Step 5: Solve for x
    x = 176,360,211.16/19,253.12
  6. Step 6: Final answer
    x = 9,160.09

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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.