Home / 13,941.69-19,239.86-7,973.91

Finding the Fourth Proportional to 13,941.69, 19,239.86 and 7,973.91

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Solution

The fourth proportional to 13,941.69, 19,239.86 and 7,973.91 is: 11,004.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.69 : 19,239.86 = 7,973.91 : x
  2. Step 2: Convert to fraction form
    13,941.69/19,239.86 = 7,973.91/x
  3. Step 3: Cross multiply
    13,941.69x = 19,239.86 × 7,973.91
  4. Step 4: Simplify right side
    13,941.69x = 153,416,931.99
  5. Step 5: Solve for x
    x = 153,416,931.99/13,941.69
  6. Step 6: Final answer
    x = 11,004.19

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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.