Home / 18,749-25,875.24-10,367.12

Finding the Fourth Proportional to 18,749, 25,875.24 and 10,367.12

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Solution

The fourth proportional to 18,749, 25,875.24 and 10,367.12 is: 14,307.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,749 : 25,875.24 = 10,367.12 : x
  2. Step 2: Convert to fraction form
    18,749/25,875.24 = 10,367.12/x
  3. Step 3: Cross multiply
    18,749x = 25,875.24 × 10,367.12
  4. Step 4: Simplify right side
    18,749x = 268,251,718.11
  5. Step 5: Solve for x
    x = 268,251,718.11/18,749
  6. Step 6: Final answer
    x = 14,307.52

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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.