Home / 25,543.99-35,245.43-14,931.57

Finding the Fourth Proportional to 25,543.99, 35,245.43 and 14,931.57

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Solution

The fourth proportional to 25,543.99, 35,245.43 and 14,931.57 is: 20,602.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,543.99 : 35,245.43 = 14,931.57 : x
  2. Step 2: Convert to fraction form
    25,543.99/35,245.43 = 14,931.57/x
  3. Step 3: Cross multiply
    25,543.99x = 35,245.43 × 14,931.57
  4. Step 4: Simplify right side
    25,543.99x = 526,269,530.57
  5. Step 5: Solve for x
    x = 526,269,530.57/25,543.99
  6. Step 6: Final answer
    x = 20,602.48

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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.