Home / 22,533.08-31,083.18-13,100.60

Finding the Fourth Proportional to 22,533.08, 31,083.18 and 13,100.60

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Solution

The fourth proportional to 22,533.08, 31,083.18 and 13,100.60 is: 18,071.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,533.08 : 31,083.18 = 13,100.60 : x
  2. Step 2: Convert to fraction form
    22,533.08/31,083.18 = 13,100.60/x
  3. Step 3: Cross multiply
    22,533.08x = 31,083.18 × 13,100.60
  4. Step 4: Simplify right side
    22,533.08x = 407,208,307.91
  5. Step 5: Solve for x
    x = 407,208,307.91/22,533.08
  6. Step 6: Final answer
    x = 18,071.58

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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.