Home / 22,708.76-31,342.42-15,038.51

Finding the Fourth Proportional to 22,708.76, 31,342.42 and 15,038.51

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Solution

The fourth proportional to 22,708.76, 31,342.42 and 15,038.51 is: 20,756.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,708.76 : 31,342.42 = 15,038.51 : x
  2. Step 2: Convert to fraction form
    22,708.76/31,342.42 = 15,038.51/x
  3. Step 3: Cross multiply
    22,708.76x = 31,342.42 × 15,038.51
  4. Step 4: Simplify right side
    22,708.76x = 471,343,296.59
  5. Step 5: Solve for x
    x = 471,343,296.59/22,708.76
  6. Step 6: Final answer
    x = 20,756.01

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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.