Home / 13,795.48-19,037.88-7,827.16

Finding the Fourth Proportional to 13,795.48, 19,037.88 and 7,827.16

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Solution

The fourth proportional to 13,795.48, 19,037.88 and 7,827.16 is: 10,801.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,795.48 : 19,037.88 = 7,827.16 : x
  2. Step 2: Convert to fraction form
    13,795.48/19,037.88 = 7,827.16/x
  3. Step 3: Cross multiply
    13,795.48x = 19,037.88 × 7,827.16
  4. Step 4: Simplify right side
    13,795.48x = 149,012,532.82
  5. Step 5: Solve for x
    x = 149,012,532.82/13,795.48
  6. Step 6: Final answer
    x = 10,801.55

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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.