Home / 25,321.50-37,885.88-15,289.32

Finding the Fourth Proportional to 25,321.50, 37,885.88 and 15,289.32

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Solution

The fourth proportional to 25,321.50, 37,885.88 and 15,289.32 is: 22,875.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,321.50 : 37,885.88 = 15,289.32 : x
  2. Step 2: Convert to fraction form
    25,321.50/37,885.88 = 15,289.32/x
  3. Step 3: Cross multiply
    25,321.50x = 37,885.88 × 15,289.32
  4. Step 4: Simplify right side
    25,321.50x = 579,249,266.36
  5. Step 5: Solve for x
    x = 579,249,266.36/25,321.50
  6. Step 6: Final answer
    x = 22,875.79

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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.