Home / 21,578.03-32,386.34-11,055.22

Finding the Fourth Proportional to 21,578.03, 32,386.34 and 11,055.22

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Solution

The fourth proportional to 21,578.03, 32,386.34 and 11,055.22 is: 16,592.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,578.03 : 32,386.34 = 11,055.22 : x
  2. Step 2: Convert to fraction form
    21,578.03/32,386.34 = 11,055.22/x
  3. Step 3: Cross multiply
    21,578.03x = 32,386.34 × 11,055.22
  4. Step 4: Simplify right side
    21,578.03x = 358,038,113.69
  5. Step 5: Solve for x
    x = 358,038,113.69/21,578.03
  6. Step 6: Final answer
    x = 16,592.72

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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.