Home / 25,670.45-35,421.73-14,338.51

Finding the Fourth Proportional to 25,670.45, 35,421.73 and 14,338.51

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Solution

The fourth proportional to 25,670.45, 35,421.73 and 14,338.51 is: 19,785.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,670.45 : 35,421.73 = 14,338.51 : x
  2. Step 2: Convert to fraction form
    25,670.45/35,421.73 = 14,338.51/x
  3. Step 3: Cross multiply
    25,670.45x = 35,421.73 × 14,338.51
  4. Step 4: Simplify right side
    25,670.45x = 507,894,705.42
  5. Step 5: Solve for x
    x = 507,894,705.42/25,670.45
  6. Step 6: Final answer
    x = 19,785.19

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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.