Home / 25,530.96-38,307.36-13,852.56

Finding the Fourth Proportional to 25,530.96, 38,307.36 and 13,852.56

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Solution

The fourth proportional to 25,530.96, 38,307.36 and 13,852.56 is: 20,784.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,530.96 : 38,307.36 = 13,852.56 : x
  2. Step 2: Convert to fraction form
    25,530.96/38,307.36 = 13,852.56/x
  3. Step 3: Cross multiply
    25,530.96x = 38,307.36 × 13,852.56
  4. Step 4: Simplify right side
    25,530.96x = 530,655,002.84
  5. Step 5: Solve for x
    x = 530,655,002.84/25,530.96
  6. Step 6: Final answer
    x = 20,784.76

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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.