Home / 13,795.48-19,038.54-7,507.72

Finding the Fourth Proportional to 13,795.48, 19,038.54 and 7,507.72

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Solution

The fourth proportional to 13,795.48, 19,038.54 and 7,507.72 is: 10,361.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,795.48 : 19,038.54 = 7,507.72 : x
  2. Step 2: Convert to fraction form
    13,795.48/19,038.54 = 7,507.72/x
  3. Step 3: Cross multiply
    13,795.48x = 19,038.54 × 7,507.72
  4. Step 4: Simplify right side
    13,795.48x = 142,936,027.53
  5. Step 5: Solve for x
    x = 142,936,027.53/13,795.48
  6. Step 6: Final answer
    x = 10,361.08

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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.