Home / 18,765.24-25,897.18-10,807.32

Finding the Fourth Proportional to 18,765.24, 25,897.18 and 10,807.32

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Solution

The fourth proportional to 18,765.24, 25,897.18 and 10,807.32 is: 14,914.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,765.24 : 25,897.18 = 10,807.32 : x
  2. Step 2: Convert to fraction form
    18,765.24/25,897.18 = 10,807.32/x
  3. Step 3: Cross multiply
    18,765.24x = 25,897.18 × 10,807.32
  4. Step 4: Simplify right side
    18,765.24x = 279,879,111.36
  5. Step 5: Solve for x
    x = 279,879,111.36/18,765.24
  6. Step 6: Final answer
    x = 14,914.76

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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.