Home / 25,038.96-34,553.79-15,607.50

Finding the Fourth Proportional to 25,038.96, 34,553.79 and 15,607.50

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Solution

The fourth proportional to 25,038.96, 34,553.79 and 15,607.50 is: 21,538.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,038.96 : 34,553.79 = 15,607.50 : x
  2. Step 2: Convert to fraction form
    25,038.96/34,553.79 = 15,607.50/x
  3. Step 3: Cross multiply
    25,038.96x = 34,553.79 × 15,607.50
  4. Step 4: Simplify right side
    25,038.96x = 539,298,277.43
  5. Step 5: Solve for x
    x = 539,298,277.43/25,038.96
  6. Step 6: Final answer
    x = 21,538.37

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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.