Home / 26,340.32-36,346.16-16,921.68

Finding the Fourth Proportional to 26,340.32, 36,346.16 and 16,921.68

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Solution

The fourth proportional to 26,340.32, 36,346.16 and 16,921.68 is: 23,349.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,340.32 : 36,346.16 = 16,921.68 : x
  2. Step 2: Convert to fraction form
    26,340.32/36,346.16 = 16,921.68/x
  3. Step 3: Cross multiply
    26,340.32x = 36,346.16 × 16,921.68
  4. Step 4: Simplify right side
    26,340.32x = 615,038,088.75
  5. Step 5: Solve for x
    x = 615,038,088.75/26,340.32
  6. Step 6: Final answer
    x = 23,349.68

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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.