Home / 18,834.88-25,985.69-10,762.74

Finding the Fourth Proportional to 18,834.88, 25,985.69 and 10,762.74

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Solution

The fourth proportional to 18,834.88, 25,985.69 and 10,762.74 is: 14,848.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,834.88 : 25,985.69 = 10,762.74 : x
  2. Step 2: Convert to fraction form
    18,834.88/25,985.69 = 10,762.74/x
  3. Step 3: Cross multiply
    18,834.88x = 25,985.69 × 10,762.74
  4. Step 4: Simplify right side
    18,834.88x = 279,677,225.19
  5. Step 5: Solve for x
    x = 279,677,225.19/18,834.88
  6. Step 6: Final answer
    x = 14,848.90

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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.