Home / 19,784.94-29,697.93-13,256.76

Finding the Fourth Proportional to 19,784.94, 29,697.93 and 13,256.76

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Solution

The fourth proportional to 19,784.94, 29,697.93 and 13,256.76 is: 19,898.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,784.94 : 29,697.93 = 13,256.76 : x
  2. Step 2: Convert to fraction form
    19,784.94/29,697.93 = 13,256.76/x
  3. Step 3: Cross multiply
    19,784.94x = 29,697.93 × 13,256.76
  4. Step 4: Simplify right side
    19,784.94x = 393,698,330.51
  5. Step 5: Solve for x
    x = 393,698,330.51/19,784.94
  6. Step 6: Final answer
    x = 19,898.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.