Home / 14,599.99-20,123.79-10,345.60

Finding the Fourth Proportional to 14,599.99, 20,123.79 and 10,345.60

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Solution

The fourth proportional to 14,599.99, 20,123.79 and 10,345.60 is: 14,259.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,599.99 : 20,123.79 = 10,345.60 : x
  2. Step 2: Convert to fraction form
    14,599.99/20,123.79 = 10,345.60/x
  3. Step 3: Cross multiply
    14,599.99x = 20,123.79 × 10,345.60
  4. Step 4: Simplify right side
    14,599.99x = 208,192,681.82
  5. Step 5: Solve for x
    x = 208,192,681.82/14,599.99
  6. Step 6: Final answer
    x = 14,259.78

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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.