Home / 15,383.51-23,116.95-8,368.70

Finding the Fourth Proportional to 15,383.51, 23,116.95 and 8,368.70

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Solution

The fourth proportional to 15,383.51, 23,116.95 and 8,368.70 is: 12,575.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,383.51 : 23,116.95 = 8,368.70 : x
  2. Step 2: Convert to fraction form
    15,383.51/23,116.95 = 8,368.70/x
  3. Step 3: Cross multiply
    15,383.51x = 23,116.95 × 8,368.70
  4. Step 4: Simplify right side
    15,383.51x = 193,458,937.32
  5. Step 5: Solve for x
    x = 193,458,937.32/15,383.51
  6. Step 6: Final answer
    x = 12,575.74

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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.