Home / 15,446.64-21,316.39-8,373.06

Finding the Fourth Proportional to 15,446.64, 21,316.39 and 8,373.06

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Solution

The fourth proportional to 15,446.64, 21,316.39 and 8,373.06 is: 11,554.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,446.64 : 21,316.39 = 8,373.06 : x
  2. Step 2: Convert to fraction form
    15,446.64/21,316.39 = 8,373.06/x
  3. Step 3: Cross multiply
    15,446.64x = 21,316.39 × 8,373.06
  4. Step 4: Simplify right side
    15,446.64x = 178,483,465.38
  5. Step 5: Solve for x
    x = 178,483,465.38/15,446.64
  6. Step 6: Final answer
    x = 11,554.84

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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.