Home / 25,515.96-35,211.32-14,185.16

Finding the Fourth Proportional to 25,515.96, 35,211.32 and 14,185.16

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Solution

The fourth proportional to 25,515.96, 35,211.32 and 14,185.16 is: 19,575.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,515.96 : 35,211.32 = 14,185.16 : x
  2. Step 2: Convert to fraction form
    25,515.96/35,211.32 = 14,185.16/x
  3. Step 3: Cross multiply
    25,515.96x = 35,211.32 × 14,185.16
  4. Step 4: Simplify right side
    25,515.96x = 499,478,208.01
  5. Step 5: Solve for x
    x = 499,478,208.01/25,515.96
  6. Step 6: Final answer
    x = 19,575.13

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Double scale
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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.