Home / 25,905.70-35,749.48-14,575.21

Finding the Fourth Proportional to 25,905.70, 35,749.48 and 14,575.21

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Solution

The fourth proportional to 25,905.70, 35,749.48 and 14,575.21 is: 20,113.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,905.70 : 35,749.48 = 14,575.21 : x
  2. Step 2: Convert to fraction form
    25,905.70/35,749.48 = 14,575.21/x
  3. Step 3: Cross multiply
    25,905.70x = 35,749.48 × 14,575.21
  4. Step 4: Simplify right side
    25,905.70x = 521,056,038.91
  5. Step 5: Solve for x
    x = 521,056,038.91/25,905.70
  6. Step 6: Final answer
    x = 20,113.57

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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.