Home / 25,255.60-37,897.80-9,684.40

Finding the Fourth Proportional to 25,255.60, 37,897.80 and 9,684.40

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Solution

The fourth proportional to 25,255.60, 37,897.80 and 9,684.40 is: 14,532.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,255.60 : 37,897.80 = 9,684.40 : x
  2. Step 2: Convert to fraction form
    25,255.60/37,897.80 = 9,684.40/x
  3. Step 3: Cross multiply
    25,255.60x = 37,897.80 × 9,684.40
  4. Step 4: Simplify right side
    25,255.60x = 367,017,454.32
  5. Step 5: Solve for x
    x = 367,017,454.32/25,255.60
  6. Step 6: Final answer
    x = 14,532.12

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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.