Home / 13,039.48-19,561.90-5,248.28

Finding the Fourth Proportional to 13,039.48, 19,561.90 and 5,248.28

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Solution

The fourth proportional to 13,039.48, 19,561.90 and 5,248.28 is: 7,873.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,039.48 : 19,561.90 = 5,248.28 : x
  2. Step 2: Convert to fraction form
    13,039.48/19,561.90 = 5,248.28/x
  3. Step 3: Cross multiply
    13,039.48x = 19,561.90 × 5,248.28
  4. Step 4: Simplify right side
    13,039.48x = 102,666,328.53
  5. Step 5: Solve for x
    x = 102,666,328.53/13,039.48
  6. Step 6: Final answer
    x = 7,873.50

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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.