Home / 13,315.19-19,970.04-6,292.22

Finding the Fourth Proportional to 13,315.19, 19,970.04 and 6,292.22

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Solution

The fourth proportional to 13,315.19, 19,970.04 and 6,292.22 is: 9,437.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,315.19 : 19,970.04 = 6,292.22 : x
  2. Step 2: Convert to fraction form
    13,315.19/19,970.04 = 6,292.22/x
  3. Step 3: Cross multiply
    13,315.19x = 19,970.04 × 6,292.22
  4. Step 4: Simplify right side
    13,315.19x = 125,655,808.83
  5. Step 5: Solve for x
    x = 125,655,808.83/13,315.19
  6. Step 6: Final answer
    x = 9,437.03

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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.