Home / 34,547.10-47,674.80-19,643.10

Finding the Fourth Proportional to 34,547.10, 47,674.80 and 19,643.10

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Solution

The fourth proportional to 34,547.10, 47,674.80 and 19,643.10 is: 27,107.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,547.10 : 47,674.80 = 19,643.10 : x
  2. Step 2: Convert to fraction form
    34,547.10/47,674.80 = 19,643.10/x
  3. Step 3: Cross multiply
    34,547.10x = 47,674.80 × 19,643.10
  4. Step 4: Simplify right side
    34,547.10x = 936,480,863.88
  5. Step 5: Solve for x
    x = 936,480,863.88/34,547.10
  6. Step 6: Final answer
    x = 27,107.37

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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.