Home / 13,953.06-19,240.74-9,708.93

Finding the Fourth Proportional to 13,953.06, 19,240.74 and 9,708.93

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Solution

The fourth proportional to 13,953.06, 19,240.74 and 9,708.93 is: 13,388.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,953.06 : 19,240.74 = 9,708.93 : x
  2. Step 2: Convert to fraction form
    13,953.06/19,240.74 = 9,708.93/x
  3. Step 3: Cross multiply
    13,953.06x = 19,240.74 × 9,708.93
  4. Step 4: Simplify right side
    13,953.06x = 186,806,997.81
  5. Step 5: Solve for x
    x = 186,806,997.81/13,953.06
  6. Step 6: Final answer
    x = 13,388.25

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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.