Home / 27,663.84-38,176.02-15,088.50

Finding the Fourth Proportional to 27,663.84, 38,176.02 and 15,088.50

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Solution

The fourth proportional to 27,663.84, 38,176.02 and 15,088.50 is: 20,822.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,663.84 : 38,176.02 = 15,088.50 : x
  2. Step 2: Convert to fraction form
    27,663.84/38,176.02 = 15,088.50/x
  3. Step 3: Cross multiply
    27,663.84x = 38,176.02 × 15,088.50
  4. Step 4: Simplify right side
    27,663.84x = 576,018,877.77
  5. Step 5: Solve for x
    x = 576,018,877.77/27,663.84
  6. Step 6: Final answer
    x = 20,822.09

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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.