Home / 13,770.59-19,004.18-7,804.19

Finding the Fourth Proportional to 13,770.59, 19,004.18 and 7,804.19

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Solution

The fourth proportional to 13,770.59, 19,004.18 and 7,804.19 is: 10,770.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,770.59 : 19,004.18 = 7,804.19 : x
  2. Step 2: Convert to fraction form
    13,770.59/19,004.18 = 7,804.19/x
  3. Step 3: Cross multiply
    13,770.59x = 19,004.18 × 7,804.19
  4. Step 4: Simplify right side
    13,770.59x = 148,312,156.00
  5. Step 5: Solve for x
    x = 148,312,156.00/13,770.59
  6. Step 6: Final answer
    x = 10,770.21

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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.