Home / 25,009.74-34,493.51-21,245.36

Finding the Fourth Proportional to 25,009.74, 34,493.51 and 21,245.36

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Solution

The fourth proportional to 25,009.74, 34,493.51 and 21,245.36 is: 29,301.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,009.74 : 34,493.51 = 21,245.36 : x
  2. Step 2: Convert to fraction form
    25,009.74/34,493.51 = 21,245.36/x
  3. Step 3: Cross multiply
    25,009.74x = 34,493.51 × 21,245.36
  4. Step 4: Simplify right side
    25,009.74x = 732,827,119.67
  5. Step 5: Solve for x
    x = 732,827,119.67/25,009.74
  6. Step 6: Final answer
    x = 29,301.67

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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.