Home / 16,526.78-22,804.52-9,812.70

Finding the Fourth Proportional to 16,526.78, 22,804.52 and 9,812.70

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Solution

The fourth proportional to 16,526.78, 22,804.52 and 9,812.70 is: 13,540.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,526.78 : 22,804.52 = 9,812.70 : x
  2. Step 2: Convert to fraction form
    16,526.78/22,804.52 = 9,812.70/x
  3. Step 3: Cross multiply
    16,526.78x = 22,804.52 × 9,812.70
  4. Step 4: Simplify right side
    16,526.78x = 223,773,913.40
  5. Step 5: Solve for x
    x = 223,773,913.40/16,526.78
  6. Step 6: Final answer
    x = 13,540.08

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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.