Home / 14,130.56-19,501.09-7,842.94

Finding the Fourth Proportional to 14,130.56, 19,501.09 and 7,842.94

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Solution

The fourth proportional to 14,130.56, 19,501.09 and 7,842.94 is: 10,823.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130.56 : 19,501.09 = 7,842.94 : x
  2. Step 2: Convert to fraction form
    14,130.56/19,501.09 = 7,842.94/x
  3. Step 3: Cross multiply
    14,130.56x = 19,501.09 × 7,842.94
  4. Step 4: Simplify right side
    14,130.56x = 152,945,810.44
  5. Step 5: Solve for x
    x = 152,945,810.44/14,130.56
  6. Step 6: Final answer
    x = 10,823.76

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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.