Home / 15,483.48-21,409.14-15,233.32

Finding the Fourth Proportional to 15,483.48, 21,409.14 and 15,233.32

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Solution

The fourth proportional to 15,483.48, 21,409.14 and 15,233.32 is: 21,063.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,483.48 : 21,409.14 = 15,233.32 : x
  2. Step 2: Convert to fraction form
    15,483.48/21,409.14 = 15,233.32/x
  3. Step 3: Cross multiply
    15,483.48x = 21,409.14 × 15,233.32
  4. Step 4: Simplify right side
    15,483.48x = 326,132,280.54
  5. Step 5: Solve for x
    x = 326,132,280.54/15,483.48
  6. Step 6: Final answer
    x = 21,063.24

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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.