Home / 19,814.02-29,543.89-19,269.70

Finding the Fourth Proportional to 19,814.02, 29,543.89 and 19,269.70

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Solution

The fourth proportional to 19,814.02, 29,543.89 and 19,269.70 is: 28,732.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,814.02 : 29,543.89 = 19,269.70 : x
  2. Step 2: Convert to fraction form
    19,814.02/29,543.89 = 19,269.70/x
  3. Step 3: Cross multiply
    19,814.02x = 29,543.89 × 19,269.70
  4. Step 4: Simplify right side
    19,814.02x = 569,301,897.13
  5. Step 5: Solve for x
    x = 569,301,897.13/19,814.02
  6. Step 6: Final answer
    x = 28,732.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.