Home / 14,030.16-21,039.48-5,260.56

Finding the Fourth Proportional to 14,030.16, 21,039.48 and 5,260.56

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Solution

The fourth proportional to 14,030.16, 21,039.48 and 5,260.56 is: 7,888.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,030.16 : 21,039.48 = 5,260.56 : x
  2. Step 2: Convert to fraction form
    14,030.16/21,039.48 = 5,260.56/x
  3. Step 3: Cross multiply
    14,030.16x = 21,039.48 × 5,260.56
  4. Step 4: Simplify right side
    14,030.16x = 110,679,446.91
  5. Step 5: Solve for x
    x = 110,679,446.91/14,030.16
  6. Step 6: Final answer
    x = 7,888.68

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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.