Home / 18,365.10-25,349.57-10,810.84

Finding the Fourth Proportional to 18,365.10, 25,349.57 and 10,810.84

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Solution

The fourth proportional to 18,365.10, 25,349.57 and 10,810.84 is: 14,922.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,365.10 : 25,349.57 = 10,810.84 : x
  2. Step 2: Convert to fraction form
    18,365.10/25,349.57 = 10,810.84/x
  3. Step 3: Cross multiply
    18,365.10x = 25,349.57 × 10,810.84
  4. Step 4: Simplify right side
    18,365.10x = 274,050,145.34
  5. Step 5: Solve for x
    x = 274,050,145.34/18,365.10
  6. Step 6: Final answer
    x = 14,922.33

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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.