Home / 13,109.04-19,737.48-11,559.06

Finding the Fourth Proportional to 13,109.04, 19,737.48 and 11,559.06

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Solution

The fourth proportional to 13,109.04, 19,737.48 and 11,559.06 is: 17,403.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,109.04 : 19,737.48 = 11,559.06 : x
  2. Step 2: Convert to fraction form
    13,109.04/19,737.48 = 11,559.06/x
  3. Step 3: Cross multiply
    13,109.04x = 19,737.48 × 11,559.06
  4. Step 4: Simplify right side
    13,109.04x = 228,146,715.57
  5. Step 5: Solve for x
    x = 228,146,715.57/13,109.04
  6. Step 6: Final answer
    x = 17,403.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.