Home / 15,145.23-22,716.54-9,220.58

Finding the Fourth Proportional to 15,145.23, 22,716.54 and 9,220.58

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Solution

The fourth proportional to 15,145.23, 22,716.54 and 9,220.58 is: 13,830.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,145.23 : 22,716.54 = 9,220.58 : x
  2. Step 2: Convert to fraction form
    15,145.23/22,716.54 = 9,220.58/x
  3. Step 3: Cross multiply
    15,145.23x = 22,716.54 × 9,220.58
  4. Step 4: Simplify right side
    15,145.23x = 209,459,731.18
  5. Step 5: Solve for x
    x = 209,459,731.18/15,145.23
  6. Step 6: Final answer
    x = 13,830.08

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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.