Home / 22,030.08-30,388.08-13,071.60

Finding the Fourth Proportional to 22,030.08, 30,388.08 and 13,071.60

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Solution

The fourth proportional to 22,030.08, 30,388.08 and 13,071.60 is: 18,030.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,030.08 : 30,388.08 = 13,071.60 : x
  2. Step 2: Convert to fraction form
    22,030.08/30,388.08 = 13,071.60/x
  3. Step 3: Cross multiply
    22,030.08x = 30,388.08 × 13,071.60
  4. Step 4: Simplify right side
    22,030.08x = 397,220,826.53
  5. Step 5: Solve for x
    x = 397,220,826.53/22,030.08
  6. Step 6: Final answer
    x = 18,030.84

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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.