Home / 25,827.12-35,640-14,649.12

Finding the Fourth Proportional to 25,827.12, 35,640 and 14,649.12

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Solution

The fourth proportional to 25,827.12, 35,640 and 14,649.12 is: 20,214.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,827.12 : 35,640 = 14,649.12 : x
  2. Step 2: Convert to fraction form
    25,827.12/35,640 = 14,649.12/x
  3. Step 3: Cross multiply
    25,827.12x = 35,640 × 14,649.12
  4. Step 4: Simplify right side
    25,827.12x = 522,094,636.80
  5. Step 5: Solve for x
    x = 522,094,636.80/25,827.12
  6. Step 6: Final answer
    x = 20,214.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.