Home / 19,315.00-26,656.40-10,816.99

Finding the Fourth Proportional to 19,315.00, 26,656.40 and 10,816.99

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Solution

The fourth proportional to 19,315.00, 26,656.40 and 10,816.99 is: 14,928.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315.00 : 26,656.40 = 10,816.99 : x
  2. Step 2: Convert to fraction form
    19,315.00/26,656.40 = 10,816.99/x
  3. Step 3: Cross multiply
    19,315.00x = 26,656.40 × 10,816.99
  4. Step 4: Simplify right side
    19,315.00x = 288,341,911.79
  5. Step 5: Solve for x
    x = 288,341,911.79/19,315.00
  6. Step 6: Final answer
    x = 14,928.39

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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.