Home / 23,145.95-34,718.96-8,365.30

Finding the Fourth Proportional to 23,145.95, 34,718.96 and 8,365.30

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Solution

The fourth proportional to 23,145.95, 34,718.96 and 8,365.30 is: 12,547.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,145.95 : 34,718.96 = 8,365.30 : x
  2. Step 2: Convert to fraction form
    23,145.95/34,718.96 = 8,365.30/x
  3. Step 3: Cross multiply
    23,145.95x = 34,718.96 × 8,365.30
  4. Step 4: Simplify right side
    23,145.95x = 290,434,450.20
  5. Step 5: Solve for x
    x = 290,434,450.20/23,145.95
  6. Step 6: Final answer
    x = 12,547.96

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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.