Home / 14,920.07-20,580.29-11,088.30

Finding the Fourth Proportional to 14,920.07, 20,580.29 and 11,088.30

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Solution

The fourth proportional to 14,920.07, 20,580.29 and 11,088.30 is: 15,294.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,920.07 : 20,580.29 = 11,088.30 : x
  2. Step 2: Convert to fraction form
    14,920.07/20,580.29 = 11,088.30/x
  3. Step 3: Cross multiply
    14,920.07x = 20,580.29 × 11,088.30
  4. Step 4: Simplify right side
    14,920.07x = 228,200,429.61
  5. Step 5: Solve for x
    x = 228,200,429.61/14,920.07
  6. Step 6: Final answer
    x = 15,294.86

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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.