Home / 13,707.09-20,547.27-7,043.49

Finding the Fourth Proportional to 13,707.09, 20,547.27 and 7,043.49

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Solution

The fourth proportional to 13,707.09, 20,547.27 and 7,043.49 is: 10,558.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,707.09 : 20,547.27 = 7,043.49 : x
  2. Step 2: Convert to fraction form
    13,707.09/20,547.27 = 7,043.49/x
  3. Step 3: Cross multiply
    13,707.09x = 20,547.27 × 7,043.49
  4. Step 4: Simplify right side
    13,707.09x = 144,724,490.77
  5. Step 5: Solve for x
    x = 144,724,490.77/13,707.09
  6. Step 6: Final answer
    x = 10,558.37

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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.