Home / 13,555.23-18,701.96-7,585.95

Finding the Fourth Proportional to 13,555.23, 18,701.96 and 7,585.95

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Solution

The fourth proportional to 13,555.23, 18,701.96 and 7,585.95 is: 10,466.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,555.23 : 18,701.96 = 7,585.95 : x
  2. Step 2: Convert to fraction form
    13,555.23/18,701.96 = 7,585.95/x
  3. Step 3: Cross multiply
    13,555.23x = 18,701.96 × 7,585.95
  4. Step 4: Simplify right side
    13,555.23x = 141,872,095.53
  5. Step 5: Solve for x
    x = 141,872,095.53/13,555.23
  6. Step 6: Final answer
    x = 10,466.23

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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.