Home / 17,688.64-24,409.56-9,730.32

Finding the Fourth Proportional to 17,688.64, 24,409.56 and 9,730.32

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Solution

The fourth proportional to 17,688.64, 24,409.56 and 9,730.32 is: 13,427.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,688.64 : 24,409.56 = 9,730.32 : x
  2. Step 2: Convert to fraction form
    17,688.64/24,409.56 = 9,730.32/x
  3. Step 3: Cross multiply
    17,688.64x = 24,409.56 × 9,730.32
  4. Step 4: Simplify right side
    17,688.64x = 237,512,829.86
  5. Step 5: Solve for x
    x = 237,512,829.86/17,688.64
  6. Step 6: Final answer
    x = 13,427.42

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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.