Home / 25,478.60-38,196.10-9,674.80

Finding the Fourth Proportional to 25,478.60, 38,196.10 and 9,674.80

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Solution

The fourth proportional to 25,478.60, 38,196.10 and 9,674.80 is: 14,503.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,478.60 : 38,196.10 = 9,674.80 : x
  2. Step 2: Convert to fraction form
    25,478.60/38,196.10 = 9,674.80/x
  3. Step 3: Cross multiply
    25,478.60x = 38,196.10 × 9,674.80
  4. Step 4: Simplify right side
    25,478.60x = 369,539,628.28
  5. Step 5: Solve for x
    x = 369,539,628.28/25,478.60
  6. Step 6: Final answer
    x = 14,503.92

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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.