Home / 25,681.15-35,439.55-14,350.87

Finding the Fourth Proportional to 25,681.15, 35,439.55 and 14,350.87

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Solution

The fourth proportional to 25,681.15, 35,439.55 and 14,350.87 is: 19,803.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,681.15 : 35,439.55 = 14,350.87 : x
  2. Step 2: Convert to fraction form
    25,681.15/35,439.55 = 14,350.87/x
  3. Step 3: Cross multiply
    25,681.15x = 35,439.55 × 14,350.87
  4. Step 4: Simplify right side
    25,681.15x = 508,588,374.91
  5. Step 5: Solve for x
    x = 508,588,374.91/25,681.15
  6. Step 6: Final answer
    x = 19,803.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.