Home / 13,904.61-19,197.08-10,711.89

Finding the Fourth Proportional to 13,904.61, 19,197.08 and 10,711.89

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Solution

The fourth proportional to 13,904.61, 19,197.08 and 10,711.89 is: 14,789.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.61 : 19,197.08 = 10,711.89 : x
  2. Step 2: Convert to fraction form
    13,904.61/19,197.08 = 10,711.89/x
  3. Step 3: Cross multiply
    13,904.61x = 19,197.08 × 10,711.89
  4. Step 4: Simplify right side
    13,904.61x = 205,637,009.28
  5. Step 5: Solve for x
    x = 205,637,009.28/13,904.61
  6. Step 6: Final answer
    x = 14,789.12

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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.