Home / 15,535.63-21,432.35-10,498.02

Finding the Fourth Proportional to 15,535.63, 21,432.35 and 10,498.02

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Solution

The fourth proportional to 15,535.63, 21,432.35 and 10,498.02 is: 14,482.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,535.63 : 21,432.35 = 10,498.02 : x
  2. Step 2: Convert to fraction form
    15,535.63/21,432.35 = 10,498.02/x
  3. Step 3: Cross multiply
    15,535.63x = 21,432.35 × 10,498.02
  4. Step 4: Simplify right side
    15,535.63x = 224,997,158.03
  5. Step 5: Solve for x
    x = 224,997,158.03/15,535.63
  6. Step 6: Final answer
    x = 14,482.65

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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.