Home / 18,117.32-25,000.62-10,051.40

Finding the Fourth Proportional to 18,117.32, 25,000.62 and 10,051.40

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Solution

The fourth proportional to 18,117.32, 25,000.62 and 10,051.40 is: 13,870.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117.32 : 25,000.62 = 10,051.40 : x
  2. Step 2: Convert to fraction form
    18,117.32/25,000.62 = 10,051.40/x
  3. Step 3: Cross multiply
    18,117.32x = 25,000.62 × 10,051.40
  4. Step 4: Simplify right side
    18,117.32x = 251,291,231.87
  5. Step 5: Solve for x
    x = 251,291,231.87/18,117.32
  6. Step 6: Final answer
    x = 13,870.22

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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.