Home / 25,189.81-37,784.58-12,038.92

Finding the Fourth Proportional to 25,189.81, 37,784.58 and 12,038.92

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Solution

The fourth proportional to 25,189.81, 37,784.58 and 12,038.92 is: 18,058.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,189.81 : 37,784.58 = 12,038.92 : x
  2. Step 2: Convert to fraction form
    25,189.81/37,784.58 = 12,038.92/x
  3. Step 3: Cross multiply
    25,189.81x = 37,784.58 × 12,038.92
  4. Step 4: Simplify right side
    25,189.81x = 454,885,535.85
  5. Step 5: Solve for x
    x = 454,885,535.85/25,189.81
  6. Step 6: Final answer
    x = 18,058.32

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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.