Home / 25,616.70-38,430.45-8,088.30

Finding the Fourth Proportional to 25,616.70, 38,430.45 and 8,088.30

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Solution

The fourth proportional to 25,616.70, 38,430.45 and 8,088.30 is: 12,134.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,616.70 : 38,430.45 = 8,088.30 : x
  2. Step 2: Convert to fraction form
    25,616.70/38,430.45 = 8,088.30/x
  3. Step 3: Cross multiply
    25,616.70x = 38,430.45 × 8,088.30
  4. Step 4: Simplify right side
    25,616.70x = 310,837,008.74
  5. Step 5: Solve for x
    x = 310,837,008.74/25,616.70
  6. Step 6: Final answer
    x = 12,134.16

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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.