Home / 16,931.42-25,406.73-9,140.06

Finding the Fourth Proportional to 16,931.42, 25,406.73 and 9,140.06

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Solution

The fourth proportional to 16,931.42, 25,406.73 and 9,140.06 is: 13,715.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,931.42 : 25,406.73 = 9,140.06 : x
  2. Step 2: Convert to fraction form
    16,931.42/25,406.73 = 9,140.06/x
  3. Step 3: Cross multiply
    16,931.42x = 25,406.73 × 9,140.06
  4. Step 4: Simplify right side
    16,931.42x = 232,219,036.60
  5. Step 5: Solve for x
    x = 232,219,036.60/16,931.42
  6. Step 6: Final answer
    x = 13,715.27

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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.