Home / 18,444.94-25,457.34-10,890.84

Finding the Fourth Proportional to 18,444.94, 25,457.34 and 10,890.84

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Solution

The fourth proportional to 18,444.94, 25,457.34 and 10,890.84 is: 15,031.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,444.94 : 25,457.34 = 10,890.84 : x
  2. Step 2: Convert to fraction form
    18,444.94/25,457.34 = 10,890.84/x
  3. Step 3: Cross multiply
    18,444.94x = 25,457.34 × 10,890.84
  4. Step 4: Simplify right side
    18,444.94x = 277,251,816.77
  5. Step 5: Solve for x
    x = 277,251,816.77/18,444.94
  6. Step 6: Final answer
    x = 15,031.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.