Home / 17,638.91-26,457.51-6,547.76

Finding the Fourth Proportional to 17,638.91, 26,457.51 and 6,547.76

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Solution

The fourth proportional to 17,638.91, 26,457.51 and 6,547.76 is: 9,821.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,638.91 : 26,457.51 = 6,547.76 : x
  2. Step 2: Convert to fraction form
    17,638.91/26,457.51 = 6,547.76/x
  3. Step 3: Cross multiply
    17,638.91x = 26,457.51 × 6,547.76
  4. Step 4: Simplify right side
    17,638.91x = 173,237,425.68
  5. Step 5: Solve for x
    x = 173,237,425.68/17,638.91
  6. Step 6: Final answer
    x = 9,821.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.