Home / 18,505.44-25,534.48-10,547.80

Finding the Fourth Proportional to 18,505.44, 25,534.48 and 10,547.80

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Solution

The fourth proportional to 18,505.44, 25,534.48 and 10,547.80 is: 14,554.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,505.44 : 25,534.48 = 10,547.80 : x
  2. Step 2: Convert to fraction form
    18,505.44/25,534.48 = 10,547.80/x
  3. Step 3: Cross multiply
    18,505.44x = 25,534.48 × 10,547.80
  4. Step 4: Simplify right side
    18,505.44x = 269,332,588.14
  5. Step 5: Solve for x
    x = 269,332,588.14/18,505.44
  6. Step 6: Final answer
    x = 14,554.24

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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.