Home / 15,674.13-23,478.26-12,722.49

Finding the Fourth Proportional to 15,674.13, 23,478.26 and 12,722.49

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Solution

The fourth proportional to 15,674.13, 23,478.26 and 12,722.49 is: 19,057.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,674.13 : 23,478.26 = 12,722.49 : x
  2. Step 2: Convert to fraction form
    15,674.13/23,478.26 = 12,722.49/x
  3. Step 3: Cross multiply
    15,674.13x = 23,478.26 × 12,722.49
  4. Step 4: Simplify right side
    15,674.13x = 298,701,864.45
  5. Step 5: Solve for x
    x = 298,701,864.45/15,674.13
  6. Step 6: Final answer
    x = 19,057.00

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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.