Home / 19,113.52-28,681.55-7,277.26

Finding the Fourth Proportional to 19,113.52, 28,681.55 and 7,277.26

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Solution

The fourth proportional to 19,113.52, 28,681.55 and 7,277.26 is: 10,920.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,113.52 : 28,681.55 = 7,277.26 : x
  2. Step 2: Convert to fraction form
    19,113.52/28,681.55 = 7,277.26/x
  3. Step 3: Cross multiply
    19,113.52x = 28,681.55 × 7,277.26
  4. Step 4: Simplify right side
    19,113.52x = 208,723,096.55
  5. Step 5: Solve for x
    x = 208,723,096.55/19,113.52
  6. Step 6: Final answer
    x = 10,920.18

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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.