Home / 23,039.76-34,624.64-13,681.40

Finding the Fourth Proportional to 23,039.76, 34,624.64 and 13,681.40

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Solution

The fourth proportional to 23,039.76, 34,624.64 and 13,681.40 is: 20,560.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,039.76 : 34,624.64 = 13,681.40 : x
  2. Step 2: Convert to fraction form
    23,039.76/34,624.64 = 13,681.40/x
  3. Step 3: Cross multiply
    23,039.76x = 34,624.64 × 13,681.40
  4. Step 4: Simplify right side
    23,039.76x = 473,713,549.70
  5. Step 5: Solve for x
    x = 473,713,549.70/23,039.76
  6. Step 6: Final answer
    x = 20,560.70

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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.