Home / 19,543.02-29,320.74-6,392.40

Finding the Fourth Proportional to 19,543.02, 29,320.74 and 6,392.40

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Solution

The fourth proportional to 19,543.02, 29,320.74 and 6,392.40 is: 9,590.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,543.02 : 29,320.74 = 6,392.40 : x
  2. Step 2: Convert to fraction form
    19,543.02/29,320.74 = 6,392.40/x
  3. Step 3: Cross multiply
    19,543.02x = 29,320.74 × 6,392.40
  4. Step 4: Simplify right side
    19,543.02x = 187,429,898.38
  5. Step 5: Solve for x
    x = 187,429,898.38/19,543.02
  6. Step 6: Final answer
    x = 9,590.63

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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.