Home / 25,457.70-35,131.68-14,845.32

Finding the Fourth Proportional to 25,457.70, 35,131.68 and 14,845.32

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Solution

The fourth proportional to 25,457.70, 35,131.68 and 14,845.32 is: 20,486.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,457.70 : 35,131.68 = 14,845.32 : x
  2. Step 2: Convert to fraction form
    25,457.70/35,131.68 = 14,845.32/x
  3. Step 3: Cross multiply
    25,457.70x = 35,131.68 × 14,845.32
  4. Step 4: Simplify right side
    25,457.70x = 521,541,031.74
  5. Step 5: Solve for x
    x = 521,541,031.74/25,457.70
  6. Step 6: Final answer
    x = 20,486.57

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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.