Home / 13,312.67-19,973.21-6,292.40

Finding the Fourth Proportional to 13,312.67, 19,973.21 and 6,292.40

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Solution

The fourth proportional to 13,312.67, 19,973.21 and 6,292.40 is: 9,440.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312.67 : 19,973.21 = 6,292.40 : x
  2. Step 2: Convert to fraction form
    13,312.67/19,973.21 = 6,292.40/x
  3. Step 3: Cross multiply
    13,312.67x = 19,973.21 × 6,292.40
  4. Step 4: Simplify right side
    13,312.67x = 125,679,295.28
  5. Step 5: Solve for x
    x = 125,679,295.28/13,312.67
  6. Step 6: Final answer
    x = 9,440.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.