Home / 15,708.89-23,563.64-12,574.35

Finding the Fourth Proportional to 15,708.89, 23,563.64 and 12,574.35

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Solution

The fourth proportional to 15,708.89, 23,563.64 and 12,574.35 is: 18,861.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,708.89 : 23,563.64 = 12,574.35 : x
  2. Step 2: Convert to fraction form
    15,708.89/23,563.64 = 12,574.35/x
  3. Step 3: Cross multiply
    15,708.89x = 23,563.64 × 12,574.35
  4. Step 4: Simplify right side
    15,708.89x = 296,297,488.07
  5. Step 5: Solve for x
    x = 296,297,488.07/15,708.89
  6. Step 6: Final answer
    x = 18,861.77

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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.