Home / 26,865.09-37,065.19-15,533.10

Finding the Fourth Proportional to 26,865.09, 37,065.19 and 15,533.10

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Solution

The fourth proportional to 26,865.09, 37,065.19 and 15,533.10 is: 21,430.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,865.09 : 37,065.19 = 15,533.10 : x
  2. Step 2: Convert to fraction form
    26,865.09/37,065.19 = 15,533.10/x
  3. Step 3: Cross multiply
    26,865.09x = 37,065.19 × 15,533.10
  4. Step 4: Simplify right side
    26,865.09x = 575,737,302.79
  5. Step 5: Solve for x
    x = 575,737,302.79/26,865.09
  6. Step 6: Final answer
    x = 21,430.69

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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.