Home / 25,987.68-35,861.64-14,656.84

Finding the Fourth Proportional to 25,987.68, 35,861.64 and 14,656.84

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Solution

The fourth proportional to 25,987.68, 35,861.64 and 14,656.84 is: 20,225.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,987.68 : 35,861.64 = 14,656.84 : x
  2. Step 2: Convert to fraction form
    25,987.68/35,861.64 = 14,656.84/x
  3. Step 3: Cross multiply
    25,987.68x = 35,861.64 × 14,656.84
  4. Step 4: Simplify right side
    25,987.68x = 525,618,319.62
  5. Step 5: Solve for x
    x = 525,618,319.62/25,987.68
  6. Step 6: Final answer
    x = 20,225.67

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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.