Home / 44,421.84-66,632.88-13,256.40

Finding the Fourth Proportional to 44,421.84, 66,632.88 and 13,256.40

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Solution

The fourth proportional to 44,421.84, 66,632.88 and 13,256.40 is: 19,884.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,421.84 : 66,632.88 = 13,256.40 : x
  2. Step 2: Convert to fraction form
    44,421.84/66,632.88 = 13,256.40/x
  3. Step 3: Cross multiply
    44,421.84x = 66,632.88 × 13,256.40
  4. Step 4: Simplify right side
    44,421.84x = 883,312,110.43
  5. Step 5: Solve for x
    x = 883,312,110.43/44,421.84
  6. Step 6: Final answer
    x = 19,884.64

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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.