Home / 13,943.04-19,240.73-7,569.48

Finding the Fourth Proportional to 13,943.04, 19,240.73 and 7,569.48

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Solution

The fourth proportional to 13,943.04, 19,240.73 and 7,569.48 is: 10,445.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943.04 : 19,240.73 = 7,569.48 : x
  2. Step 2: Convert to fraction form
    13,943.04/19,240.73 = 7,569.48/x
  3. Step 3: Cross multiply
    13,943.04x = 19,240.73 × 7,569.48
  4. Step 4: Simplify right side
    13,943.04x = 145,642,283.07
  5. Step 5: Solve for x
    x = 145,642,283.07/13,943.04
  6. Step 6: Final answer
    x = 10,445.52

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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.