Home / 13,862.48-19,130.24-7,574.88

Finding the Fourth Proportional to 13,862.48, 19,130.24 and 7,574.88

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Solution

The fourth proportional to 13,862.48, 19,130.24 and 7,574.88 is: 10,453.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862.48 : 19,130.24 = 7,574.88 : x
  2. Step 2: Convert to fraction form
    13,862.48/19,130.24 = 7,574.88/x
  3. Step 3: Cross multiply
    13,862.48x = 19,130.24 × 7,574.88
  4. Step 4: Simplify right side
    13,862.48x = 144,909,272.37
  5. Step 5: Solve for x
    x = 144,909,272.37/13,862.48
  6. Step 6: Final answer
    x = 10,453.34

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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.