Home / 27,585.56-38,068.86-15,011.16

Finding the Fourth Proportional to 27,585.56, 38,068.86 and 15,011.16

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Solution

The fourth proportional to 27,585.56, 38,068.86 and 15,011.16 is: 20,715.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,585.56 : 38,068.86 = 15,011.16 : x
  2. Step 2: Convert to fraction form
    27,585.56/38,068.86 = 15,011.16/x
  3. Step 3: Cross multiply
    27,585.56x = 38,068.86 × 15,011.16
  4. Step 4: Simplify right side
    27,585.56x = 571,457,748.48
  5. Step 5: Solve for x
    x = 571,457,748.48/27,585.56
  6. Step 6: Final answer
    x = 20,715.83

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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.