Home / 39,681.57-59,515.86-14,715.75

Finding the Fourth Proportional to 39,681.57, 59,515.86 and 14,715.75

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Solution

The fourth proportional to 39,681.57, 59,515.86 and 14,715.75 is: 22,071.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,681.57 : 59,515.86 = 14,715.75 : x
  2. Step 2: Convert to fraction form
    39,681.57/59,515.86 = 14,715.75/x
  3. Step 3: Cross multiply
    39,681.57x = 59,515.86 × 14,715.75
  4. Step 4: Simplify right side
    39,681.57x = 875,820,516.80
  5. Step 5: Solve for x
    x = 875,820,516.80/39,681.57
  6. Step 6: Final answer
    x = 22,071.22

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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.