Home / 14,885.10-20,545.65-10,409.99

Finding the Fourth Proportional to 14,885.10, 20,545.65 and 10,409.99

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Solution

The fourth proportional to 14,885.10, 20,545.65 and 10,409.99 is: 14,368.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,885.10 : 20,545.65 = 10,409.99 : x
  2. Step 2: Convert to fraction form
    14,885.10/20,545.65 = 10,409.99/x
  3. Step 3: Cross multiply
    14,885.10x = 20,545.65 × 10,409.99
  4. Step 4: Simplify right side
    14,885.10x = 213,879,908.32
  5. Step 5: Solve for x
    x = 213,879,908.32/14,885.10
  6. Step 6: Final answer
    x = 14,368.72

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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.