Home / 18,569.52-25,631.76-12,528.51

Finding the Fourth Proportional to 18,569.52, 25,631.76 and 12,528.51

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Solution

The fourth proportional to 18,569.52, 25,631.76 and 12,528.51 is: 17,293.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,569.52 : 25,631.76 = 12,528.51 : x
  2. Step 2: Convert to fraction form
    18,569.52/25,631.76 = 12,528.51/x
  3. Step 3: Cross multiply
    18,569.52x = 25,631.76 × 12,528.51
  4. Step 4: Simplify right side
    18,569.52x = 321,127,761.48
  5. Step 5: Solve for x
    x = 321,127,761.48/18,569.52
  6. Step 6: Final answer
    x = 17,293.27

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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.