Home / 35,820.36-53,730.50-12,446.80

Finding the Fourth Proportional to 35,820.36, 53,730.50 and 12,446.80

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Solution

The fourth proportional to 35,820.36, 53,730.50 and 12,446.80 is: 18,670.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,820.36 : 53,730.50 = 12,446.80 : x
  2. Step 2: Convert to fraction form
    35,820.36/53,730.50 = 12,446.80/x
  3. Step 3: Cross multiply
    35,820.36x = 53,730.50 × 12,446.80
  4. Step 4: Simplify right side
    35,820.36x = 668,772,787.40
  5. Step 5: Solve for x
    x = 668,772,787.40/35,820.36
  6. Step 6: Final answer
    x = 18,670.19

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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.