Home / 13,799.48-19,043.40-7,511.84

Finding the Fourth Proportional to 13,799.48, 19,043.40 and 7,511.84

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Solution

The fourth proportional to 13,799.48, 19,043.40 and 7,511.84 is: 10,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799.48 : 19,043.40 = 7,511.84 : x
  2. Step 2: Convert to fraction form
    13,799.48/19,043.40 = 7,511.84/x
  3. Step 3: Cross multiply
    13,799.48x = 19,043.40 × 7,511.84
  4. Step 4: Simplify right side
    13,799.48x = 143,050,973.86
  5. Step 5: Solve for x
    x = 143,050,973.86/13,799.48
  6. Step 6: Final answer
    x = 10,366.40

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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.