Home / 55,783.01-83,686.82-18,341.57

Finding the Fourth Proportional to 55,783.01, 83,686.82 and 18,341.57

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Solution

The fourth proportional to 55,783.01, 83,686.82 and 18,341.57 is: 27,516.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,783.01 : 83,686.82 = 18,341.57 : x
  2. Step 2: Convert to fraction form
    55,783.01/83,686.82 = 18,341.57/x
  3. Step 3: Cross multiply
    55,783.01x = 83,686.82 × 18,341.57
  4. Step 4: Simplify right side
    55,783.01x = 1,534,947,887.79
  5. Step 5: Solve for x
    x = 1,534,947,887.79/55,783.01
  6. Step 6: Final answer
    x = 27,516.40

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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.