Home / 25,685.96-38,526.18-17,419.04

Finding the Fourth Proportional to 25,685.96, 38,526.18 and 17,419.04

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Solution

The fourth proportional to 25,685.96, 38,526.18 and 17,419.04 is: 26,126.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,685.96 : 38,526.18 = 17,419.04 : x
  2. Step 2: Convert to fraction form
    25,685.96/38,526.18 = 17,419.04/x
  3. Step 3: Cross multiply
    25,685.96x = 38,526.18 × 17,419.04
  4. Step 4: Simplify right side
    25,685.96x = 671,089,070.47
  5. Step 5: Solve for x
    x = 671,089,070.47/25,685.96
  6. Step 6: Final answer
    x = 26,126.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.