Home / 13,598.16-20,386.36-7,025.36

Finding the Fourth Proportional to 13,598.16, 20,386.36 and 7,025.36

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Solution

The fourth proportional to 13,598.16, 20,386.36 and 7,025.36 is: 10,532.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,598.16 : 20,386.36 = 7,025.36 : x
  2. Step 2: Convert to fraction form
    13,598.16/20,386.36 = 7,025.36/x
  3. Step 3: Cross multiply
    13,598.16x = 20,386.36 × 7,025.36
  4. Step 4: Simplify right side
    13,598.16x = 143,221,518.09
  5. Step 5: Solve for x
    x = 143,221,518.09/13,598.16
  6. Step 6: Final answer
    x = 10,532.42

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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.