Home / 25,334.19-37,980.78-10,554.21

Finding the Fourth Proportional to 25,334.19, 37,980.78 and 10,554.21

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Solution

The fourth proportional to 25,334.19, 37,980.78 and 10,554.21 is: 15,822.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,334.19 : 37,980.78 = 10,554.21 : x
  2. Step 2: Convert to fraction form
    25,334.19/37,980.78 = 10,554.21/x
  3. Step 3: Cross multiply
    25,334.19x = 37,980.78 × 10,554.21
  4. Step 4: Simplify right side
    25,334.19x = 400,857,128.08
  5. Step 5: Solve for x
    x = 400,857,128.08/25,334.19
  6. Step 6: Final answer
    x = 15,822.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.