Home / 18,528.48-25,569-10,570.68

Finding the Fourth Proportional to 18,528.48, 25,569 and 10,570.68

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Solution

The fourth proportional to 18,528.48, 25,569 and 10,570.68 is: 14,587.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528.48 : 25,569 = 10,570.68 : x
  2. Step 2: Convert to fraction form
    18,528.48/25,569 = 10,570.68/x
  3. Step 3: Cross multiply
    18,528.48x = 25,569 × 10,570.68
  4. Step 4: Simplify right side
    18,528.48x = 270,281,716.92
  5. Step 5: Solve for x
    x = 270,281,716.92/18,528.48
  6. Step 6: Final answer
    x = 14,587.37

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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.