Home / 15,711.55-23,566.10-9,133.54

Finding the Fourth Proportional to 15,711.55, 23,566.10 and 9,133.54

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Solution

The fourth proportional to 15,711.55, 23,566.10 and 9,133.54 is: 13,699.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,711.55 : 23,566.10 = 9,133.54 : x
  2. Step 2: Convert to fraction form
    15,711.55/23,566.10 = 9,133.54/x
  3. Step 3: Cross multiply
    15,711.55x = 23,566.10 × 9,133.54
  4. Step 4: Simplify right side
    15,711.55x = 215,241,916.99
  5. Step 5: Solve for x
    x = 215,241,916.99/15,711.55
  6. Step 6: Final answer
    x = 13,699.60

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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.