Home / 22,508.52-31,048.02-15,784.44

Finding the Fourth Proportional to 22,508.52, 31,048.02 and 15,784.44

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Solution

The fourth proportional to 22,508.52, 31,048.02 and 15,784.44 is: 21,772.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,508.52 : 31,048.02 = 15,784.44 : x
  2. Step 2: Convert to fraction form
    22,508.52/31,048.02 = 15,784.44/x
  3. Step 3: Cross multiply
    22,508.52x = 31,048.02 × 15,784.44
  4. Step 4: Simplify right side
    22,508.52x = 490,075,608.81
  5. Step 5: Solve for x
    x = 490,075,608.81/22,508.52
  6. Step 6: Final answer
    x = 21,772.89

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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.