Home / 17,284.32-23,838.84-13,316.40

Finding the Fourth Proportional to 17,284.32, 23,838.84 and 13,316.40

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Solution

The fourth proportional to 17,284.32, 23,838.84 and 13,316.40 is: 18,366.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,284.32 : 23,838.84 = 13,316.40 : x
  2. Step 2: Convert to fraction form
    17,284.32/23,838.84 = 13,316.40/x
  3. Step 3: Cross multiply
    17,284.32x = 23,838.84 × 13,316.40
  4. Step 4: Simplify right side
    17,284.32x = 317,447,528.98
  5. Step 5: Solve for x
    x = 317,447,528.98/17,284.32
  6. Step 6: Final answer
    x = 18,366.21

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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.