Home / 15,730.34-23,556.42-9,136.53

Finding the Fourth Proportional to 15,730.34, 23,556.42 and 9,136.53

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Solution

The fourth proportional to 15,730.34, 23,556.42 and 9,136.53 is: 13,682.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,730.34 : 23,556.42 = 9,136.53 : x
  2. Step 2: Convert to fraction form
    15,730.34/23,556.42 = 9,136.53/x
  3. Step 3: Cross multiply
    15,730.34x = 23,556.42 × 9,136.53
  4. Step 4: Simplify right side
    15,730.34x = 215,223,938.02
  5. Step 5: Solve for x
    x = 215,223,938.02/15,730.34
  6. Step 6: Final answer
    x = 13,682.10

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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.