Home / 25,378.92-35,038.71-16,307.93

Finding the Fourth Proportional to 25,378.92, 35,038.71 and 16,307.93

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Solution

The fourth proportional to 25,378.92, 35,038.71 and 16,307.93 is: 22,515.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,378.92 : 35,038.71 = 16,307.93 : x
  2. Step 2: Convert to fraction form
    25,378.92/35,038.71 = 16,307.93/x
  3. Step 3: Cross multiply
    25,378.92x = 35,038.71 × 16,307.93
  4. Step 4: Simplify right side
    25,378.92x = 571,408,917.57
  5. Step 5: Solve for x
    x = 571,408,917.57/25,378.92
  6. Step 6: Final answer
    x = 22,515.10

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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.