Home / 17,810.28-24,561.90-15,291.59

Finding the Fourth Proportional to 17,810.28, 24,561.90 and 15,291.59

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Solution

The fourth proportional to 17,810.28, 24,561.90 and 15,291.59 is: 21,088.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,810.28 : 24,561.90 = 15,291.59 : x
  2. Step 2: Convert to fraction form
    17,810.28/24,561.90 = 15,291.59/x
  3. Step 3: Cross multiply
    17,810.28x = 24,561.90 × 15,291.59
  4. Step 4: Simplify right side
    17,810.28x = 375,590,381.61
  5. Step 5: Solve for x
    x = 375,590,381.61/17,810.28
  6. Step 6: Final answer
    x = 21,088.40

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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.