Home / 18,861.84-26,029.62-10,478.88

Finding the Fourth Proportional to 18,861.84, 26,029.62 and 10,478.88

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Solution

The fourth proportional to 18,861.84, 26,029.62 and 10,478.88 is: 14,461.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,861.84 : 26,029.62 = 10,478.88 : x
  2. Step 2: Convert to fraction form
    18,861.84/26,029.62 = 10,478.88/x
  3. Step 3: Cross multiply
    18,861.84x = 26,029.62 × 10,478.88
  4. Step 4: Simplify right side
    18,861.84x = 272,761,264.43
  5. Step 5: Solve for x
    x = 272,761,264.43/18,861.84
  6. Step 6: Final answer
    x = 14,461.01

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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.