Home / 18,417.32-25,415.90-10,460.75

Finding the Fourth Proportional to 18,417.32, 25,415.90 and 10,460.75

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Solution

The fourth proportional to 18,417.32, 25,415.90 and 10,460.75 is: 14,435.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,417.32 : 25,415.90 = 10,460.75 : x
  2. Step 2: Convert to fraction form
    18,417.32/25,415.90 = 10,460.75/x
  3. Step 3: Cross multiply
    18,417.32x = 25,415.90 × 10,460.75
  4. Step 4: Simplify right side
    18,417.32x = 265,869,465.62
  5. Step 5: Solve for x
    x = 265,869,465.62/18,417.32
  6. Step 6: Final answer
    x = 14,435.84

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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.