Home / 19,543.56-29,315.10-4,752.48

Finding the Fourth Proportional to 19,543.56, 29,315.10 and 4,752.48

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Solution

The fourth proportional to 19,543.56, 29,315.10 and 4,752.48 is: 7,128.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,543.56 : 29,315.10 = 4,752.48 : x
  2. Step 2: Convert to fraction form
    19,543.56/29,315.10 = 4,752.48/x
  3. Step 3: Cross multiply
    19,543.56x = 29,315.10 × 4,752.48
  4. Step 4: Simplify right side
    19,543.56x = 139,319,426.45
  5. Step 5: Solve for x
    x = 139,319,426.45/19,543.56
  6. Step 6: Final answer
    x = 7,128.66

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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.