Home / 14,681.58-20,260.40-7,967.15

Finding the Fourth Proportional to 14,681.58, 20,260.40 and 7,967.15

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Solution

The fourth proportional to 14,681.58, 20,260.40 and 7,967.15 is: 10,994.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,681.58 : 20,260.40 = 7,967.15 : x
  2. Step 2: Convert to fraction form
    14,681.58/20,260.40 = 7,967.15/x
  3. Step 3: Cross multiply
    14,681.58x = 20,260.40 × 7,967.15
  4. Step 4: Simplify right side
    14,681.58x = 161,417,645.86
  5. Step 5: Solve for x
    x = 161,417,645.86/14,681.58
  6. Step 6: Final answer
    x = 10,994.57

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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.