Home / 14,707.06-20,294.79-8,335.01

Finding the Fourth Proportional to 14,707.06, 20,294.79 and 8,335.01

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Solution

The fourth proportional to 14,707.06, 20,294.79 and 8,335.01 is: 11,501.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,707.06 : 20,294.79 = 8,335.01 : x
  2. Step 2: Convert to fraction form
    14,707.06/20,294.79 = 8,335.01/x
  3. Step 3: Cross multiply
    14,707.06x = 20,294.79 × 8,335.01
  4. Step 4: Simplify right side
    14,707.06x = 169,157,277.60
  5. Step 5: Solve for x
    x = 169,157,277.60/14,707.06
  6. Step 6: Final answer
    x = 11,501.77

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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.