Home / 13,973.50-19,283.43-7,686.01

Finding the Fourth Proportional to 13,973.50, 19,283.43 and 7,686.01

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Solution

The fourth proportional to 13,973.50, 19,283.43 and 7,686.01 is: 10,606.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.50 : 19,283.43 = 7,686.01 : x
  2. Step 2: Convert to fraction form
    13,973.50/19,283.43 = 7,686.01/x
  3. Step 3: Cross multiply
    13,973.50x = 19,283.43 × 7,686.01
  4. Step 4: Simplify right side
    13,973.50x = 148,212,635.81
  5. Step 5: Solve for x
    x = 148,212,635.81/13,973.50
  6. Step 6: Final answer
    x = 10,606.69

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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.