Home / 19,870.38-29,784.81-14,597.55

Finding the Fourth Proportional to 19,870.38, 29,784.81 and 14,597.55

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Solution

The fourth proportional to 19,870.38, 29,784.81 and 14,597.55 is: 21,881.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,870.38 : 29,784.81 = 14,597.55 : x
  2. Step 2: Convert to fraction form
    19,870.38/29,784.81 = 14,597.55/x
  3. Step 3: Cross multiply
    19,870.38x = 29,784.81 × 14,597.55
  4. Step 4: Simplify right side
    19,870.38x = 434,785,253.22
  5. Step 5: Solve for x
    x = 434,785,253.22/19,870.38
  6. Step 6: Final answer
    x = 21,881.07

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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.