Home / 25,347.49-38,011.77-8,702.80

Finding the Fourth Proportional to 25,347.49, 38,011.77 and 8,702.80

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Solution

The fourth proportional to 25,347.49, 38,011.77 and 8,702.80 is: 13,050.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,347.49 : 38,011.77 = 8,702.80 : x
  2. Step 2: Convert to fraction form
    25,347.49/38,011.77 = 8,702.80/x
  3. Step 3: Cross multiply
    25,347.49x = 38,011.77 × 8,702.80
  4. Step 4: Simplify right side
    25,347.49x = 330,808,831.96
  5. Step 5: Solve for x
    x = 330,808,831.96/25,347.49
  6. Step 6: Final answer
    x = 13,050.95

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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.