Home / 19,649.04-29,434.08-9,758.40

Finding the Fourth Proportional to 19,649.04, 29,434.08 and 9,758.40

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Solution

The fourth proportional to 19,649.04, 29,434.08 and 9,758.40 is: 14,617.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,649.04 : 29,434.08 = 9,758.40 : x
  2. Step 2: Convert to fraction form
    19,649.04/29,434.08 = 9,758.40/x
  3. Step 3: Cross multiply
    19,649.04x = 29,434.08 × 9,758.40
  4. Step 4: Simplify right side
    19,649.04x = 287,229,526.27
  5. Step 5: Solve for x
    x = 287,229,526.27/19,649.04
  6. Step 6: Final answer
    x = 14,617.99

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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.