Home / 18,536.04-25,570.20-12,565.68

Finding the Fourth Proportional to 18,536.04, 25,570.20 and 12,565.68

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Solution

The fourth proportional to 18,536.04, 25,570.20 and 12,565.68 is: 17,334.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536.04 : 25,570.20 = 12,565.68 : x
  2. Step 2: Convert to fraction form
    18,536.04/25,570.20 = 12,565.68/x
  3. Step 3: Cross multiply
    18,536.04x = 25,570.20 × 12,565.68
  4. Step 4: Simplify right side
    18,536.04x = 321,306,950.74
  5. Step 5: Solve for x
    x = 321,306,950.74/18,536.04
  6. Step 6: Final answer
    x = 17,334.17

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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.