Home / 13,445.04-18,554.06-7,476.68

Finding the Fourth Proportional to 13,445.04, 18,554.06 and 7,476.68

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Solution

The fourth proportional to 13,445.04, 18,554.06 and 7,476.68 is: 10,317.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,445.04 : 18,554.06 = 7,476.68 : x
  2. Step 2: Convert to fraction form
    13,445.04/18,554.06 = 7,476.68/x
  3. Step 3: Cross multiply
    13,445.04x = 18,554.06 × 7,476.68
  4. Step 4: Simplify right side
    13,445.04x = 138,722,769.32
  5. Step 5: Solve for x
    x = 138,722,769.32/13,445.04
  6. Step 6: Final answer
    x = 10,317.77

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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.