Home / 13,700.04-18,904.98-7,733.16

Finding the Fourth Proportional to 13,700.04, 18,904.98 and 7,733.16

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Solution

The fourth proportional to 13,700.04, 18,904.98 and 7,733.16 is: 10,671.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,700.04 : 18,904.98 = 7,733.16 : x
  2. Step 2: Convert to fraction form
    13,700.04/18,904.98 = 7,733.16/x
  3. Step 3: Cross multiply
    13,700.04x = 18,904.98 × 7,733.16
  4. Step 4: Simplify right side
    13,700.04x = 146,195,235.14
  5. Step 5: Solve for x
    x = 146,195,235.14/13,700.04
  6. Step 6: Final answer
    x = 10,671.15

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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.