Home / 15,430.72-23,128.57-7,093.51

Finding the Fourth Proportional to 15,430.72, 23,128.57 and 7,093.51

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Solution

The fourth proportional to 15,430.72, 23,128.57 and 7,093.51 is: 10,632.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,430.72 : 23,128.57 = 7,093.51 : x
  2. Step 2: Convert to fraction form
    15,430.72/23,128.57 = 7,093.51/x
  3. Step 3: Cross multiply
    15,430.72x = 23,128.57 × 7,093.51
  4. Step 4: Simplify right side
    15,430.72x = 164,062,742.58
  5. Step 5: Solve for x
    x = 164,062,742.58/15,430.72
  6. Step 6: Final answer
    x = 10,632.22

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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.