Home / 27,312.64-37,666.56-17,877.76

Finding the Fourth Proportional to 27,312.64, 37,666.56 and 17,877.76

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Solution

The fourth proportional to 27,312.64, 37,666.56 and 17,877.76 is: 24,655.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,312.64 : 37,666.56 = 17,877.76 : x
  2. Step 2: Convert to fraction form
    27,312.64/37,666.56 = 17,877.76/x
  3. Step 3: Cross multiply
    27,312.64x = 37,666.56 × 17,877.76
  4. Step 4: Simplify right side
    27,312.64x = 673,393,719.71
  5. Step 5: Solve for x
    x = 673,393,719.71/27,312.64
  6. Step 6: Final answer
    x = 24,655.02

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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.