Home / 19,106.04-28,651.68-7,417.68

Finding the Fourth Proportional to 19,106.04, 28,651.68 and 7,417.68

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Solution

The fourth proportional to 19,106.04, 28,651.68 and 7,417.68 is: 11,123.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,106.04 : 28,651.68 = 7,417.68 : x
  2. Step 2: Convert to fraction form
    19,106.04/28,651.68 = 7,417.68/x
  3. Step 3: Cross multiply
    19,106.04x = 28,651.68 × 7,417.68
  4. Step 4: Simplify right side
    19,106.04x = 212,528,993.70
  5. Step 5: Solve for x
    x = 212,528,993.70/19,106.04
  6. Step 6: Final answer
    x = 11,123.65

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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.