Home / 23,123.34-34,704.45-9,985.74

Finding the Fourth Proportional to 23,123.34, 34,704.45 and 9,985.74

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Solution

The fourth proportional to 23,123.34, 34,704.45 and 9,985.74 is: 14,987.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,123.34 : 34,704.45 = 9,985.74 : x
  2. Step 2: Convert to fraction form
    23,123.34/34,704.45 = 9,985.74/x
  3. Step 3: Cross multiply
    23,123.34x = 34,704.45 × 9,985.74
  4. Step 4: Simplify right side
    23,123.34x = 346,549,614.54
  5. Step 5: Solve for x
    x = 346,549,614.54/23,123.34
  6. Step 6: Final answer
    x = 14,987.01

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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.