Home / 18,373.74-25,359.28-10,415.99

Finding the Fourth Proportional to 18,373.74, 25,359.28 and 10,415.99

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Solution

The fourth proportional to 18,373.74, 25,359.28 and 10,415.99 is: 14,376.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,373.74 : 25,359.28 = 10,415.99 : x
  2. Step 2: Convert to fraction form
    18,373.74/25,359.28 = 10,415.99/x
  3. Step 3: Cross multiply
    18,373.74x = 25,359.28 × 10,415.99
  4. Step 4: Simplify right side
    18,373.74x = 264,142,044.25
  5. Step 5: Solve for x
    x = 264,142,044.25/18,373.74
  6. Step 6: Final answer
    x = 14,376.07

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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.