Home / 25,445.61-38,173.95-7,916.85

Finding the Fourth Proportional to 25,445.61, 38,173.95 and 7,916.85

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Solution

The fourth proportional to 25,445.61, 38,173.95 and 7,916.85 is: 11,877.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,445.61 : 38,173.95 = 7,916.85 : x
  2. Step 2: Convert to fraction form
    25,445.61/38,173.95 = 7,916.85/x
  3. Step 3: Cross multiply
    25,445.61x = 38,173.95 × 7,916.85
  4. Step 4: Simplify right side
    25,445.61x = 302,217,436.06
  5. Step 5: Solve for x
    x = 302,217,436.06/25,445.61
  6. Step 6: Final answer
    x = 11,877.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.