Home / 55,740.13-83,623.17-18,804.13

Finding the Fourth Proportional to 55,740.13, 83,623.17 and 18,804.13

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Solution

The fourth proportional to 55,740.13, 83,623.17 and 18,804.13 is: 28,210.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,740.13 : 83,623.17 = 18,804.13 : x
  2. Step 2: Convert to fraction form
    55,740.13/83,623.17 = 18,804.13/x
  3. Step 3: Cross multiply
    55,740.13x = 83,623.17 × 18,804.13
  4. Step 4: Simplify right side
    55,740.13x = 1,572,460,959.69
  5. Step 5: Solve for x
    x = 1,572,460,959.69/55,740.13
  6. Step 6: Final answer
    x = 28,210.57

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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.