Home / 25,666.61-35,418.47-14,336.81

Finding the Fourth Proportional to 25,666.61, 35,418.47 and 14,336.81

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Solution

The fourth proportional to 25,666.61, 35,418.47 and 14,336.81 is: 19,783.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,666.61 : 35,418.47 = 14,336.81 : x
  2. Step 2: Convert to fraction form
    25,666.61/35,418.47 = 14,336.81/x
  3. Step 3: Cross multiply
    25,666.61x = 35,418.47 × 14,336.81
  4. Step 4: Simplify right side
    25,666.61x = 507,787,808.73
  5. Step 5: Solve for x
    x = 507,787,808.73/25,666.61
  6. Step 6: Final answer
    x = 19,783.98

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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.