Home / 13,835.04-19,092.24-7,547.28

Finding the Fourth Proportional to 13,835.04, 19,092.24 and 7,547.28

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Solution

The fourth proportional to 13,835.04, 19,092.24 and 7,547.28 is: 10,415.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835.04 : 19,092.24 = 7,547.28 : x
  2. Step 2: Convert to fraction form
    13,835.04/19,092.24 = 7,547.28/x
  3. Step 3: Cross multiply
    13,835.04x = 19,092.24 × 7,547.28
  4. Step 4: Simplify right side
    13,835.04x = 144,094,481.11
  5. Step 5: Solve for x
    x = 144,094,481.11/13,835.04
  6. Step 6: Final answer
    x = 10,415.18

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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.