Home / 13,123.02-19,674.81-7,927.68

Finding the Fourth Proportional to 13,123.02, 19,674.81 and 7,927.68

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Solution

The fourth proportional to 13,123.02, 19,674.81 and 7,927.68 is: 11,885.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,123.02 : 19,674.81 = 7,927.68 : x
  2. Step 2: Convert to fraction form
    13,123.02/19,674.81 = 7,927.68/x
  3. Step 3: Cross multiply
    13,123.02x = 19,674.81 × 7,927.68
  4. Step 4: Simplify right side
    13,123.02x = 155,975,597.74
  5. Step 5: Solve for x
    x = 155,975,597.74/13,123.02
  6. Step 6: Final answer
    x = 11,885.65

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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.