Home / 25,307.99-37,985.16-12,836.63

Finding the Fourth Proportional to 25,307.99, 37,985.16 and 12,836.63

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Solution

The fourth proportional to 25,307.99, 37,985.16 and 12,836.63 is: 19,266.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,307.99 : 37,985.16 = 12,836.63 : x
  2. Step 2: Convert to fraction form
    25,307.99/37,985.16 = 12,836.63/x
  3. Step 3: Cross multiply
    25,307.99x = 37,985.16 × 12,836.63
  4. Step 4: Simplify right side
    25,307.99x = 487,601,444.41
  5. Step 5: Solve for x
    x = 487,601,444.41/25,307.99
  6. Step 6: Final answer
    x = 19,266.70

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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.