Home / 18,501.72-25,532.20-10,435.03

Finding the Fourth Proportional to 18,501.72, 25,532.20 and 10,435.03

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Solution

The fourth proportional to 18,501.72, 25,532.20 and 10,435.03 is: 14,400.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,501.72 : 25,532.20 = 10,435.03 : x
  2. Step 2: Convert to fraction form
    18,501.72/25,532.20 = 10,435.03/x
  3. Step 3: Cross multiply
    18,501.72x = 25,532.20 × 10,435.03
  4. Step 4: Simplify right side
    18,501.72x = 266,429,207.51
  5. Step 5: Solve for x
    x = 266,429,207.51/18,501.72
  6. Step 6: Final answer
    x = 14,400.24

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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.