Home / 18,225.90-25,151.79-10,570.65

Finding the Fourth Proportional to 18,225.90, 25,151.79 and 10,570.65

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Solution

The fourth proportional to 18,225.90, 25,151.79 and 10,570.65 is: 14,587.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,225.90 : 25,151.79 = 10,570.65 : x
  2. Step 2: Convert to fraction form
    18,225.90/25,151.79 = 10,570.65/x
  3. Step 3: Cross multiply
    18,225.90x = 25,151.79 × 10,570.65
  4. Step 4: Simplify right side
    18,225.90x = 265,870,768.96
  5. Step 5: Solve for x
    x = 265,870,768.96/18,225.90
  6. Step 6: Final answer
    x = 14,587.52

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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.