Home / 14,312.59-19,777.04-11,192.47

Finding the Fourth Proportional to 14,312.59, 19,777.04 and 11,192.47

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Solution

The fourth proportional to 14,312.59, 19,777.04 and 11,192.47 is: 15,465.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,312.59 : 19,777.04 = 11,192.47 : x
  2. Step 2: Convert to fraction form
    14,312.59/19,777.04 = 11,192.47/x
  3. Step 3: Cross multiply
    14,312.59x = 19,777.04 × 11,192.47
  4. Step 4: Simplify right side
    14,312.59x = 221,353,926.89
  5. Step 5: Solve for x
    x = 221,353,926.89/14,312.59
  6. Step 6: Final answer
    x = 15,465.68

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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.