Home / 35,827.40-53,702.70-13,632.20

Finding the Fourth Proportional to 35,827.40, 53,702.70 and 13,632.20

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Solution

The fourth proportional to 35,827.40, 53,702.70 and 13,632.20 is: 20,433.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,827.40 : 53,702.70 = 13,632.20 : x
  2. Step 2: Convert to fraction form
    35,827.40/53,702.70 = 13,632.20/x
  3. Step 3: Cross multiply
    35,827.40x = 53,702.70 × 13,632.20
  4. Step 4: Simplify right side
    35,827.40x = 732,085,946.94
  5. Step 5: Solve for x
    x = 732,085,946.94/35,827.40
  6. Step 6: Final answer
    x = 20,433.69

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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.