Home / 14,240.21-19,629.14-9,756.25

Finding the Fourth Proportional to 14,240.21, 19,629.14 and 9,756.25

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Solution

The fourth proportional to 14,240.21, 19,629.14 and 9,756.25 is: 13,448.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,240.21 : 19,629.14 = 9,756.25 : x
  2. Step 2: Convert to fraction form
    14,240.21/19,629.14 = 9,756.25/x
  3. Step 3: Cross multiply
    14,240.21x = 19,629.14 × 9,756.25
  4. Step 4: Simplify right side
    14,240.21x = 191,506,699.27
  5. Step 5: Solve for x
    x = 191,506,699.27/14,240.21
  6. Step 6: Final answer
    x = 13,448.31

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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.